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Silicon wafer manufacturing process ppt

Silicon Manufacturing - SlideShar

  1. Semiconductor Manufacturing Process 4. Semiconductor Manufacturing Process Fundamental Processing Steps 1.Silicon Manufacturing a) Czochralski method. b) Wafer Manufacturing c) Crystal structure 2.Photolithography a) Photoresists b) Photomask and Reticles c) Patterning 5
  2. Describe how raw silicon is refined into semiconductor grade silicon. 2. Explain the wafer fabrication method for producing monocrystal silicon. 3. Discuss the basic transistor behaviour. 4. Outline and describe the basic process steps for wafer preparation, starting from a silicon ingot and finishing with a wafer. 6
  3. View Silicon Wafers Manufacturing Ca PPTs online, safely and virus-free! Many are downloadable. Learn new and interesting things. Get ideas for your own presentations. Share yours for free
  4. The first step in the wafer manufacturing process is the formation of a large, perfect silicon crystal. The crystal is grown from a 'seed crystal' that is a perfect crystal. The silicon is supplied in granular powder form, then melted in a crucible. The seed is immersed carefully into the crucible of molten silicon, then slowly withdrawn
  5. View Silicon Wafer Ca PPTs online, safely and virus-free! Many are downloadable. Learn new and interesting things. Typical WPH Two plastic cassettes into a 100-slot process carrier 3000 WAFER PER HOUR Four plastic cassettes into a 200-slot process MGI Electronics PowerPoint PPT presentation | free to download.
  6. Manufacturing a Silicon Wafer The time it takes to grow a silicon ingot varies, depending on many factors. More than 75% of all single crystal silicon wafers grow via the Czochralski (CZ) method. CZ ingot growth requires chunks of virgin polycrystalline silicon
  7. • Kovacs, Bulk Micromachining of Silicon, pp. 1536-43. • Williams, Etch Rates for Micromachining Processing, pp. 256-60. • Senturia, Chapter 3, Microfabrication. • Today's Lecture • Tools Needed for MEMS Fabrication • Photolithography Review • Crystal Structure of Silicon • Bulk Silicon Etching Technique

Lecture 2 ic fabrication processing & wafer preparatio

Back End(BE) Process Wafer Sawing(Dicing Saw) • Process by which individual silicon chips (die) are separated from each other on the wafer. • Get the wafer cut per each lines with the D.I(De-ionized) water to prevent any electrostatic issue or contamination. Silicon wafer Sawing blade Sawing blade Silicon wafer Before Afte Robotics (wafer handling) is omnipresent in the fab. The semiconductor manufacturing process flow, when highly simplified, can be divided into two primary cycles of transistor and interconnect fabrication. The transistor cycle is the basis of the most advanced chips, see Figure 2. With a wafer as the starting point, it involves epitaxial silicon

Wafer Manufacturing and Epitaxy Growing Hong Xiao, Ph. D. hxiao89@hotmail.com Objectives • Give two reasons why silicon dominate • List at least two wafer orientations • List the basic steps from sand to wafer • Describe the CZ and FZ methods • Explain the purpose of epitaxial silicon • Describe the epi-silicon deposition process We shall concentrate on the process of making silicon wafer. The starting material is silicon dioxide for making silicon wafer. It is chemically processed to form a high-purity crystal polycrystalline semiconductor for which single crystal is formed. The single crystal ingot is shaped to define diameter and is sawed into wafer Ionic contamination is a big concern in semiconductor manufacturing processes and in finished devices because small amounts of contamination (parts-per-billion (ppb) to parts-per-million (ppm) concentrations) can cause corrosion, erosion, electromigration, and shorting in devices, on wafers or in final individual electronic components

• Silicon photonics shares the same 300mm fab tools as other high-end technologies. Strict regulations about tool contamination or deviation. • Process evolution, new material introduction and device integration are all technically possible but not under any conditions Silicon On Insulator (SOI) 9The native thickness of wafers is about 700μm (for 200mm), and they can be thinned after full Bulk highBulk high--resistivity (presistivity (p--)) NN--wellwell PP--wellwell they can be thinned after full processing with a process called Back Side Grind (BSG) Bulk: all the wafer has rather high resistivity, and twi Silicon wafer manufacturing equipment This equipment is used to produce pure silicon by growing cylindrical silic on crystals and cutting these crystals into wafers. Prior to silicon growing, the silicon is mi ned, converted into a gas th rough a chemical reaction, and then reacted with hydrogen to form a semiconductor-grade silicon crystal

Silicon Processing - Wafers. The manufacturing capacity of a chip factory is CMOS fabrication sequence Silicon oxidation process) Dry oxidation: surface of the wafer. Silicon Micro Vertex Detector - Title: PowerPoint Presentation Last modified by: Howard Wieman Created Date: 1/1/1601 12:00:00 AM Document presentation format: On. From Sand to Silicon Wafers: A Process Systems view of Solar Cell Production CAPD ESI Overview, 2014 B. Erik Ydstie Center for Advanced Process Decision-making Department of Chemical Engineering! Carnegie Mellon University! Pittsburgh, PA 15213!! 1 . 2 16kWp Total system cost $ 53,89 Sil'Tronix Silicon Technologies manufactures silicon wafers. Here is the full processSil'Tronix Silicon Technologies fabrique des wafers de silicium. Voici l.. CMOS Process Flow •Overview of Areas in a Wafer Fab -Diffusion (oxidation, deposition and doping) -Photolithography -Etch -Ion Implant -Thin Films -Polish •CMOS Manufacturing Steps •Parametric Testing •6~8 weeks involve 350-ste

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Silicon Wafer Production Process Our silicon wafer manufacturing process can be divided into two stages, namely, pulling single crystal ingots and slicing and polishing the silicon wafers Silicon Wafer and IC Device Manufacturing l Semiconductor wafer and device manufacturing consist of a repetitive series of chemical and physical process steps l Since most processes are chemical in nature, many possibilities exist to transfer and deposit chemical contaminants on silicon wafers, in thin films, at interconnects, or withi Silicon Wafer Production: Czochralski growth of the silicon ingot, wafer slicing, wafer lapping, wafer etching and finally wafer polishin

Tag - wafer cleaning process ppt. Read more... How silicon wafers are cleaned Silicon Wafers. The semiconductor manufacturing industry is responsible for most of the electrical and electronic appliances that we are fond of. It is the driving force behind such big companies like Samsung Electronics and Intel. Even though the final produc FROM SILICA TO SILICON WAFER The Silicon Single Crystal and Wafers Manufacturing Version 2.3 En. This presentation was prepared for the needs of the company ON Semiconductor with the aim to approximate the production principles of single crystal silicon ingots and silicon wafers. The manufacturing process details, pictures and video clips come from the company TEROSIL, a.s. based in Roznov pod. Silicon Wafer Fabrication - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. This is the powerpoint presentation my professor used during his lecture on silicon wafer fabriction Semiconductor Process Technologies ECE222. 2 Silicon Wafer. 15 Oxidation. 16 Oxidation. 17 Chemical-Vapor Deposition (CVD) Used for deposition of • Silicon films: epitaxy layer, polysilicon Microsoft PowerPoint - ECE222_Lecture1_Process.ppt Author: Hui Created Date

3,151 Silicon Wafer Ca PPTs View free & download

Through a process called ion implantation (one form of a process called doping), the exposed areas of the silicon wafer are bombarded with various chemical impurities called Ions. Ions are implanted in the silicon wafer to alter the way silicon in these areas conducts electricity. Ions are shot onto the surface of the wafer at very high speed manufacturing. Melted Silicon - scale: wafer level (~300mm / 12 inch) Silicon is purified in multiple steps to finally reach semiconductor manufacturing quality which is called Electronic Grade Silicon. Electronic Grade Silicon may only have one alien atom every one billion Silicon atoms. In this picture you can se A layer of oxide about 0.1 micro meters thick is grown in the transistor areas. Then a layer of poly-Silicon is grown over the entire wafer by CVD process. The second photolithographic step shows the desired patterns for gate electrodes. The unwanted poly-Silicon is removed by chemical or plasma etching

The wafers are polished until they have flawless, mirror-smooth surfaces. Intel buys those manufacturing ready wafers from third party companies. Intel's highly advanced 45nm High-K/Metal Gate process uses wafers with a diameter of 300 millimeter (~12 inches). When Intel first began making chips, the company printed circuits on 2-inch (50mm. The production process from raw quartz to solar cells involves a range of steps, starting with the recovery and purification of silicon, followed by its slicing into utilizable disks - the silicon wafers - that are further processed into ready-to-assemble solar cells The material requirements for the manufacturing of silicon particle detectors used for high energy physics applications have to meet two basic demands: high resistivity and high minority carrier lifetime.A very high resistivity (> l Kohm/cm) is needed in order to fully deplete the detector bulk with a thickness of about 200 - 300 um by an adequate voltage below about 300 V The manufacturing phase of an integrated circuit can be divided into two steps. The first, wafer fabrication, is the extremely sophisticated and intricate process of manufacturing the silicon chip. The second, assembly, is the highly precise and automated process of pack-aging the die

©2002 John Wiley & Sons, Inc. M. P. Groover, Fundamentals of Modern Manufacturing 2/e Processing Sequence for Silicon-based ICs •Silicon processing - sand is reduced to very pure silicon and then shaped into wafers •IC fabrication - processing steps that add, alter, and remove thin layers in selected regions to form electronic device Most demonstrations in silicon photonics are done with single devices that are targeted for use in future systems. One of the costs of operating multiple devices concurrently on a chip in a system application is the power needed to properly space resonant device frequencies on a system's frequency grid. We asses this power requirement by quantifying the source and impact of process induced. •Magnetic Material on Silicon — CMOS compatible fabrication process — 20 MHz and higher operation •DC-DC Device With Integrated Inductor — Assembly using existing MCM manufacturing process — Standard JEDEC qualification & reliability tests •Targets — Operating voltages 5V or below — Output power 10W or belo Chips are made in a precise manufacturing process that involves hundreds of operations being executed layer by layer onto a silicon wafer with constant testing. Chip making involves repeating processes using ultravi olet light, polymers, solvents, and gases

Silicon Wafer Manufacturing Process - Silicon Valley

The Need for Wafer Level Control • Processes within the factory exhibit drift that show repeatable signals within the lot or over larger periods. • With the higher costs of 300mm wafers and processing, the economic impact of this variation is not acceptable. • Wafer level control applications can be used to eliminate muc Anodic bonding is a wafer bonding process to seal glass to either silicon or metal without introducing an intermediate layer; it is commonly used to seal glass to silicon wafers in electronics and microfluidics. This bonding technique, also known as field assisted bonding or electrostatic sealing, is mostly used for connecting silicon/glass and metal/glass through electric fields Solar PV Module Manufacturing D.T.Barki Noble Energy Solar Technologies Ltd Why Solar? Oil, coal and other fossil fuels are coming to end, very shortly Environmental Degradation Plenty of Solar: both- silicon on earth and sunlight from the sky Solar is versatile Solar is independent Solar is eternal, renewable Solar is divine too Solar PV is the Smart Technology Choice of 21st Century Solar is.

ࡱ > n С] d. N PNG IHDR . (V gAMA pHYs kہ IDATx k m U 1 k 9 > o % D# @ ` 8 N Dž ʮ ` ŏ8 $. 1)R Z CH Ԓ } s ~ 5 c { #! A u. Use their patented process and develop a capability to produce commercially porous silicon (Si) wafers and porous silicon (Si) powders; The collaboration will allow HPQ to become the lowest-cost producer of porous silicon wafers for all-solid-state batteries and porous silicon powders for Li-ion batteries Process Lots (or corner lots) are special-modified-wafers that help verifying chip design robustness to accommodate process variations that statistically occur in wafer production over the years. One of the products that semiconductor foundries offer is process lots (also called: corner lots, split lots or skewed lots) X-FAB is the first pure-play foundry to provide comprehensive processing technologies for the wide-bandgap materials silicon carbide (SiC) and gallium nitride (GaN).Wide-bandgap materials offer unprecedented benefits for high-power or high-frequency applications. More efficient, smaller, lighter, faster, more reliable - with their high current densities and higher switching frequencies, SiC. • The quartz (SiO2) is converted to silicon (Si) by elaborate chemical process. For production of 1kg of MG Silicon, 2.6 kg of Quartz Silica is used along with. The power requirement is about 11-13 kWh/kg of Metal Grade (MG) Silicon. The cost of power is nearly 50-60% of the manufacturing cost of MG Silicon. Countries have allocated hydro-power

PPT - SILICON PROCESSING - FABRICATION YIELD PowerPoint

A typical crystalline silicon solar cell manufacturing process flow requires multiple screen printing steps that take place towards the end of manufacturing process flow. Usually, there are two separate printing steps for the front (contact lines and busbars) and the back (contact/passivation and busbars) sides of the cell [figure 1] Silicon wafer manufacturing usually requires the basic steps of crystal growing-slicing-mechanical wafer shaping-wet-chemical etching-polishing-final cleaning .Besides these, a couple of other steps may be needed to fulfill the customer's specification, e.g. addition of a laser mark for wafer identification, edge polishing or deposition of an epitaxially grown silicon layer Etch process module parameters, such as forward and reflected power, pressure, gas flows, etc., monitor the health of the chamber and etch process during wafer processing. Metal etch processing is a major manufacturing activity in semiconductor production

Nama tema ini adalah Tema Silicon Wafer Manufacturing Process yang dimiliki dan dimoderasi oleh seseorang. Tema ini bukan milik kami, Kami hanya ingin membagikan ini dengan pengguna Co-Vivo kami yang sangat menyukai temanya Increased process control Manufacturing Improve wafer throughput Improve tool uptime F Increased process control iltration u rification d àGraphite and silicon carbide Overview Products/Technologies Graphite and silicon carbide Entegris Corp Presentation Aug2011.ppt [Compatibility Mode Applied's machines subject silicon wafers (such as the Intel wafer shown below) to incredibly intense vacuums, caustic chemical baths, high-energy plasmas, intense ultraviolet light, Hydrofluoric acid etching baths, and more, taking the wafers through the hundreds of discrete manufacturing steps required to turn them into CPUs, memory chips and. Unauthorized use not permitted. 0: Introduction * Fabrication Steps Start with blank wafer Build inverter from the bottom up First step will be to form the n-well Cover wafer with protective layer of SiO2 (oxide) Remove layer where n-well should be built Implant or diffuse n dopants into exposed wafer Strip off SiO2 0: Introduction * Oxidation.

Over the past decade, the crystalline-silicon (c-Si) photovoltaic (PV) industry has grown rapidly and developed a truly global supply chain, driven by increasing consumer demand for PV as well as technical advances in cell performance and manufacturing processes that enabled dramatic cost reductions View PHY 222 PT2.ppt from PHY 222 at Covenant University. EE 4345 - Semiconductor Electronics Design Project Silicon Manufacturing Group Members Young Soon Song Nghia Nguyen Kei Wong Eya The cleaned silicon wafer then placed in a quartz boat between two wafer zone. The quartz boat with silicon wafer is then pushed very gently into the middle zone of the pre-heated (1000 OC ) nitrogen ambient furnace. The oxidation process is carried out by three step oxidation first dry oxidation then Wet oxidation and then again dry oxidation

Wafer manufacturing process - YouTub

Silicon Wafer The Manufacturing Process of Semiconductor

  1. Currently 8 wafers are used and some manufacturers use 12 wafers CD is about 4, for comparison IITM- EE dept has 4 wafer processing Larger wafers have to be thicker Less area is wasted in larger wafers Uniformity is more difficult to achieve in larger wafers 12 wafer ©Intel Wafers are processed in a batch of 25 (called LOT.
  2. Arial Arial Narrow Wingdings Monotype Sorts Times New Roman 宋体 Book Antiqua Gulim Tahoma iab97 PBrush Slide 1 Silicon Wafer N-Well Process Dual-Well Process Circuit Under Design Its Layout View VLSI Design and Fabrication Chip Lithography System - Simple View Photo-Lithography Process - Full View An Example: Patterning of SiO2.
  3. Si Wafer - P type Natively grow ultra-thin gate dielectric (15 angstroms) and deposit poly silicon as gate node. NWell for PFETs PWell for NFETs Very thin native oxide provides clean electrical interface. poly silicon acts as the gate node and can withstand subsequent high temperature processing (i.e. implants) Metal used originally.
  4. g Wafers Epitaxy Diffusion Ion Implant Lithography/Etch Dielectric Polysilicon Thin Films Metallization Glassivation Probe/Trim Finished wafer . QFP.

Steps for IC manufacturing VLSI Tutorials Mepit

SiC Manufacturing The Fabless Approac

4. Outline and describe the basic process steps for wafer preparation, starting from a silicon ingot and finishing with a wafer. 5. State and discuss seven quality measures for wafer suppliers. 6. Explain what is epitaxy and why it is important for wafers. Semiconductor Manufacturing Technology by Michael Quirk and Julian Serda. 2001 by. and planarity of silicon wafers. By using submicron silicon dioxide abrasives in an alkaline solution, the process time was reduced from one and a half hours to about five minutes. A further improvement to the CMP process was made at IBM in the late seventies (Silvey et al., 1966) There are three major types of silicon wafers currently in use for IC fabrication: • Raw wafers, silicon wafers without any additional processing. For state-of-the-art ICs raw wafers are mainly used for memory such as DRAM and Flash. a) Wafer with flat 150mm b) Wafer with notch 200mm Figure 2. Silicon wafer orienta-tion indications The pdms cannot be cured on the silicon wafer due to operational problems, and it is in a very sticky state. I put it in the oven to cure for a few hours and it didn't improve at all Wafer Preparation Presentation Transcript 1.Wafer Preparation 2.Requirement of raw materials Silicon: specifications Optically flat substrate - disk type Thickness = 1 - 2 + 0.005 mm Diameter = 300 + 0.5 mm Free from defects Resistivity - as per design Type - n, n+, p, p+ - as per design Orientation - (111), (100) - as per desig

Manufacturing of the SchottkyCell. c-Si Wafer. Al 1000nm. Al 1000nm. c-Si Wafer. Al 1000nm. Ti 100nm. c-Si Wafer. Start with a standard 4-inch Si wafer. Evaporate on Al rear contact in Balzers. Deposit thin layer of Ti on top in Balzers. c-Si Wafer. Al 1000nm. a-Si ~500nm. a-Si 500nm. Al 100nm. Al 100nm. Al 100nm. c-Si Wafer. Ti 100nm. a-Si. Silicon Joule™ Technology •Integration of silicon wafer plates into an advanced lead-acid architecture to deliver premium performance •Coupling of solar-wafer and lead-acid manufacturing infrastructures to lower grid storage costs 3 90%+ Efficiency @ 2-4 hour discharge 2-5× Cycle life @ 80-100% depth of discharge 40% less Lead used for. The manufacturing of integrated-circuits from silicon wafer through die-preparation, die-bonding and wire-bonding process modules will be covered in detail. For each of the modules, various process steps will be comprehensively explained. In addition, process and equipment technologies of the past and present will also be shared Lithography: process used to transfer patterns to each layer of the IC Lithography sequence steps: Designer: Drawing the layer patterns on a layout editor Silicon Foundry: Masks generation from the layer patterns in the design data base Printing: transfer the mask pattern to the wafer surface Process the wafer to physicall

Metallic or semi conducting carbon nanotubes is used for this purpose. There is no need to create deep, narrow trenches on the silicon wafer in which to burry copper conductors. PROCESS. At first we are placing catalyst that is to grow microscopic, whisker-like carbon nanotubes on the surface of the silicon wafer Another proposes an original approach with a manufacturing process based on the etching of a deep cube corner cavity in a composite silicon wafer that incorporates a diffuser surface. We demonstrate both technological options and give some perspectives for future works The electronics industry uses a broad range of highly sophisticated specialty chemicals in many processing steps in the manufacture of electronic components and products, including silicon wafers and integrated circuits, for packaging and printed circuit boards (PCBs), in the manufacture of compound semiconductors and optoelectronics, and in the production of flat panel display products

Manufacturing: Making Wafers. To make a computer chip, it all starts with the Czochralski process. The first step of this process is to take extremely pure silicon and melt it in a crucible that. SVM's wafer reclaim process starts with a wafer inspection, where wafers are sorted by thickness, type and resistivity. The wafers then move into either lapping or etching, depending upon the type of film or pattern on the wafer and the general condition of the wafer at incoming inspection Process parametric shown in Table 1 are collected for every process step by wafer. Twenty five wafers constitute a batch or lot; data files sent from the process tool entity to the central database generally have 25 to 150 wafers worth of process data Cleaning Procedures for Silicon Wafers INRF application note Process name: SOLVENTCLEAN + RCA01 + HFDIP . Overview . Silicon wafer are cleaned by a solvent clean, Followed by a dionized water (DI) rinse, followed by an RCA clean and DI rinse, followed by an HF dip and DI rinse and blow dry. This is a level-1 process and requires basic INRF. In this presentation, Dr. Kao will first review the processes of wafer manufacturing including crystal growth, wafer forming, wafer polishing, and wafer preparing. With the development of 300-mm Si wafers (12), the wafer surface properties and quality measures will be presented and discussed with the four-character acronyms for wafer.

Addisonengineering -silicon wafer processing

Silicon Wafer Production Process GlobalWafers Japa

The crystallization of silicon is a crucial step in the PV manufacturing process. Being the first step in shaping the silicon wafers, it impacts the subsequent manufacturing steps and overall efficiency potential for the product. The crystallization of silicon is our core expertise The new manufacturing method is wafer size agnostic, so one manufacturing module can produce fan-in, fan-out, and 3D fan-out products regardless of the incoming wafer size. The same bill of materials, manufacturing methods and manufacturing location can produce wafer level packages from any size silicon wafer. Since the manufacturing module is.

PPT - FROM SILICA TO SILICON WAFER PowerPoint PresentationPPT - Semiconductor Manufacturing Technology

produce wafer level packages from any size silicon wafer. Since the manufacturing module is wafer size agnostic, there is no risk of capital for investment in the manufacturing infrastructure. A change in loading between 200mm, 300mm, and 450mm wafers does not adversely affect the utilization of the manufacturing module. The process also. Intel CPU core roadmaps Intel Tick - Tock FinFET Tri-gate Transistor 3D IC MANUFACTURING TECHNOLOGIES Monolithic Wafer-on-Wafer Die-on-Wafer Die-on-Die BENIFITS OF 3D ICs Footprint Cost Heterogeneous integration Shorter interconnect Power Design Circuit security DISADVANTAGES OF 3D IC MANUFACTURING Higher cost Thinning 2 types of die - master. UniversityWafer, Inc. and our partners fill the need of high-quality silicon wafer, semiconductor wafers, substrate from Al2O3 to ZnO, that are epi-ready. Buy as few as one wafer to large volume. Our store is Open 24 hours per day, 7 days per week! UniversityWafer, Inc. 11 Elkins St. Ste 33 Founded in 1980, Modutek supplies semiconductor manufacturing equipment and solutions in wet process technology to semiconductor fabrication facilities and research labs. The company designs and builds semiconductor wet process equipment in house and can offer help with selecting the best equipment configurations for specific customer requirements silicon wafer passivation deposited Prior art date 2005-04-14 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires 2029-05-20 Application number US11/918,325 Other versions US20090056800A1 (en.

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