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InP Reclaim Wafers | FAQs about Wafer Reclaim

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Sometimes, wafers can be recycled and reclaimed and used on the secondary market. This can offer a cost savings for those who are looking to spend less on wafers. Let’s take a look at some frequently asked questions when it comes to InP reclaim wafers. What is Wafer Reclaim? Reclaimed wafers are used prime and test wafers which have been stripped of thin films and then re-polished to remove all patterns and scratches. Following the reclaim process, the wafers will perform as well as a normal test wafer, although they may be slightly thinner. What is Wafer Recycling? Wafer recycling is an etch process which will remove most semiconductor thin films if performed correctly. This recycling process will not alter the flatness or thickness of the wafer, which is a major benefit of recycling as opposed to reclaim. What is a Test Wafer? Most test wafers are wafers which have fallen out of prime specifications. Test wafers may be used to run marathons, test equipment and for high-end R & D. They are often a cost-effective alternative to prime wafers. Where Can I Get InP Reclaim Wafers? If you are looking to buy silicon wafers, you can find the best at Wafer World. We have been satisfying customers across six continents in over 45 countries with our top-notch silicon wafer products for the past 20 years. Contact us to learn more about how we can help you with all your wafer needs today, including reclaimed wafers no matter what the use is.  

Silicon Wafer | Glossary of Common Wafer Related Terms

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A wafer is a thin slice of semiconductor material, such as a crystalline silicon, used in electronics for the fabrication of integrated circuits and in photovoltaics for conventional, wafer-based solar cells. The wafer serves as the substrate for microelectronic devices built in and over the wafer. Let’s take a look at some of the common silicon wafer related terms. Glossary Adhesion – the ability of materials to stick (adhere) to each other. Boron – element from group III of the periodic table; acts as an acceptor in silicon; Boron is the only p-type dopant used in silicon device manufacturing. Cleanroom – enclosed ultra-clean space necessary for semiconductor manufacturing. Airborne particles are removed from the space to specified minimum levels, room temperature and humidity are strictly controlled. Compound Semiconductor – synthetic semiconductor formed using two or more elements mainly from groups II through VI of the periodic table. Diffusion Pump – high vacuum pump operating in the ranges from 10-3 torr to 10-7 torr featuring relatively high pumping speed. Ingot – circular piece of single-crystal semiconductor material resulting from a crystal growth process. Reclaim Grade – A lower quality wafer that has been used in manufacturing and then reclaimed (etched or polished) and subsequently used a second time in manufacturing. Slicing – the term refers to the process of cutting of the single-crystal ingot into wafers. Wafer Bonding – a process in which two semiconductor wafers are bonded to form a single substrate. Are You Looking for a Silicon Wafer? If you are looking for silicon wafers, look no further than wafer world. Contact us today to learn more about how we can help you with all your wafer needs.  

Buy Silicon Wafers | Reclaimed Wafers

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Over the years, many chip makers and semiconductor manufacturing equipment developers have had to find new ways to reduce costs without compromising product quality. One of those ways is by recycling or reclaiming wafers. Recycling or reclaiming silicon wafers for reuse has proven an effective option for containing costs and optimizing materials utilization associated with semiconductor manufacturing. Let’s take a look at how the reclaiming process works, where they can be found, and how it can save you money when it’s time to buy silicon wafers. The Process The wafer reclaim process begins with a visual inspection of incoming wafers for fatal flaws such as chipped edges or serious scratches. Wafers that pass this test are then measured for thickness to ensure that sufficient material exists to permit successful reclaim. After inspection, wafers pass through a chemical stripping process. This removes any film or any imperfections that might exist. This is followed by a series of progressively finer polishing steps, which restores the surface of the wafer to prime levels. Following the polishing sequence, the wafer is chemically cleaned, washed, rinsed with ultra-pure deionized water, and dried using both industry standard and proprietary techniques, completing the reclaim process. Applications Reclaimed wafers can be found in the following applications: Particle monitors Diffusion/CVD/implant Equipment set-up/qualifications Equipment demonstrations/etch rate sampling Furnace fillers Are You Looking to Buy Silicon Wafers? At Wafer World, we offer reclaimed silicon wafers. If you are in the market for reclaimed wafers, contact us today to learn more or to place an order.  
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