Silicon Wafer Recycling PDF Print E-mail
Wafer Reclaim and Recycling

WAFER RECLAIMING
Wafer recyclingSilicon Wafer Recycling Wafer Reclaim is reconditioning the surface of a processed wafer. Films are chemically removed and the surface is polished so the wafer can be cleaned to the LPD specification required. Crystal defects in the wafer will not be altered.

Wafers can be reclaimed to suit your needs. Whether you need ultra clean reclaim wafers or a basic handling wafer without an LPD requirement, OneSourceMetals can provide wafers that meet your exact specification. Once we build up an inventory of your wafers that have been reclaimed to your specifications, the wafers can be stored at One Source Metals and you can request shipment as needed to save space and make sure you are paying for wafers only when you actually need them.

We now offer Silicon recycling services for a Cleaner, Greener Earth.

All of the Silicon material that we purchase will be remelted and used for the manufacturing of solar cells and panels.
We are looking to purchase and recycle all types of Silicon Products in all forms including(but not limited to);
Broken Wafer Patterned or bare
Whole Wafer Patterned or bare
Silicon Poly Chunk
Pot Scrap IC Grade
Tops & Tails IC Grade
Ingot

The Silicon material we are using for Remelt Solar Applications should be in the resistivity range of;
0.5 ohm per cm. and above for P-type
1.0 ohm per cm. and above for N-type

We are able to pay very competitive prices for materials with the above specifications. 
We can also purchase Silicon materials under these specifications. Contact us for more information.

ONE SOURCE METALS CAN HELP YOU SAVE
Chip manufacturers burn through thousands of test wafers in developing production processes and bringing a new fab line on line. With 300mm wafers costing as much as $300 each, the need to recycle those test wafers is increasing.

Recycling test wafers has proven to save a typical chip company $4m to $6m a year in 200mm wafers alone. Those savings could increase to tens of millions of dollars in each 300mm fab.

The problems is that most test wafers today include copper films which are difficult to remove without also shaving off a few microns from the actual silicon wafer substrate. This is because copper molecules, not properly sealed, tend to migrate into the silicon substrate.
 

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Wafer reclamation through different processes including Sandblasting and Acid wash, Sorting and Testing.

  • Sorting: From Patterns to Colors and any size down to 1mmx1mm granules We can sort any type of silicon requirements.
  • Chemical Washing: We use variety of acids and chemical wash to ensure all surfaces have been removed. We do this with weight loss in mind. We have one of the lowest weight loss % in the industry.
  • Sand Blasting: With our special sand and experienced technicians we can remove the hardest of surfaces from some of the smallest pieces. Our sandblasting technique will ensure every single piece in your shipments will return to you completely bare.
  • Testing and Final Sorting: We sort the material before cleaning to segrate the pattern, color and bare and after cleaning we sort several times until every single piece is clean and bare . We do the testing by P-Type and N-Type.

Wafer Recycling

One Source Metals can efficiently remove the intellectual property from the wafer surface, making these wafers available either for reuse in internal manufacturing calibration as monitor wafers or for sale to the solar cell industry, which must meet a growing demand for the same silicon material to produce photovoltaic cells for solar panels. Depending on how a specific solar cell manufacturer chooses to process a batch of reclaimed wafers - they could save between 30 - 90% of the energy that they would have needed if they'd used a new silicon material source. These estimated energy savings translate into an overall reduction of the carbon footprint for both the Semiconductor and Solar industries One Source Metals is at the forefront of this new technology.

Responsibility

RESPONSIBLE RECYCLING
Our commitment to maintaining an environmentally sound workplace is demonstrated by our adoption of industry-developed comprehensive environmental operation guidelines. We support Design for Recycling- a national policy to promote the design and manufacture of goods that, at the end of their useful life, can be recycled safely and efficiently.

One Source

One Source Metals is a scrap metal broker and recycling company providing specialized service. We recycle metal scrap of all types, of any quantity, and have a wide variety of service offerings to fit your specific needs. We strive to provide the highest quality service and best value to our clients. Distinguishing ourselves from the industry and maintaining our high level of integrity, We will provide the best solutions for our clients.
Our clients range from manufacturers, major construction company's, domestic and overseas ferrous and non-ferrous mills, refineries, government agencies and industrial giants.

Tailored To You

As times have changed, So have we.

One Source Metals does not only recycle ferrous and nonferrous metals for all industries, but we are tailored to serve different industries and companies for their different recycing needs.
We serve the manufacturing and commercial industry by purchasing new & used, working or non-working equipment at reusable or salvageable pricing.
We serve the high-tech & computer industry by purchasing and reclaiming all types of E-Waste and Recyclable computer products.