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We sold many AccuThermo AW-410, AccuThermo AW 610 , AccuThermo AW 810 in Solar Industry for developing new next generation solar cell process, such as First Solar, BP Solar, Applied Materials, Sigen , GE Energy, IBM, Stanford University, UC Berkeley, California University, Senergen Devices, Sierrasolarpower , NB Technologies GmbH(Germany), Cranfield University(UK), IFE Kjeller(Norway), IMEC(Belgium).

Recently, RTP-like processing has found applications in another rapidly growing field — solar cell fabrication. RTP-like processing, in which an increase in the temperature of the semiconductor sample is produced by the absorption of the optical flux, is now used for a host of solar cell fabrication steps, ncluding phosphorus diffusion for N/P junction formation and impurity gettering, hydrogen diffusion for impurity and defect passivation, and formation of screen-printed contacts using Ag-ink for the front and Al-ink for back contacts, respectively.

Some solar cell companies have successfully applied our advanced Rapid Thermal Processing (RTP) technology to its process for creating highly efficient and durable CIGS solar cells. This eliminates a key process bottleneck found in many state-of-the-art process implementations and enables the use of low-cost substrates in ways that were not considered possible before.

In Rapid Thermal Processing, a layer is heated for a very brief period only in a highly controlled way. For instance, RTP techniques can flash-heat a layer for just several picoseconds and put energy just into the top several nanometers of a layer in a highly controlled way -- while leaving the rest of the layer unaffected.

RTP has a secondary benefit of reducing the energy payback time of their solar cells to less than two months (for the full panel). By comparison, a typical silicon solar panel has an energy payback time of around three years, and a typical vacuum-deposited thin-film cell has one of 1-2 years. The energy payback time is the time that a solar panel has to be used in order to generate the amount of energy that it required to be produced.

Articles on Rapid Thermal Processing for Solar Cell:

*RAPID THERMAL PROCESSING IN SILICON: MICROELECTRONICS TO SOLAR CELLS
*Rapid Thermal Processing of Silicon Solar Cells -Passivation and Diffusion
*Solar Cells on EFG and String Ribbon Silicon by rapid thermal processing
*Lamp-based Processing Technologies for Silicon Solar Cell Manufacturing
*Boron Back Surface Field Using Spin-On Dopants by Rapid Thermal Processing
*RAPID THERMAL PROCESSING OF HIGH EFFICIENCY N-TYPE SILICON SOLAR CELLS WITH AL BACK JUNCTION

Rapid Thermal Process
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Rapid thermal processing (or RTP) refers to a semiconductor manufacturing process which heats silicon wafers to high temperatures (up to 1200 C or greater) on a timescale of several seconds or less. The wafers must be brought down (temperature) slow enough however, so they do not break due to thermal shock..Such rapid heating rates are attained by high intensity lamps process. These processes are used for a wide variety of applications in semiconductor manufacturing including dopant activation, thermal oxidation, metal reflow and chemical vapor deposition.

Rapid thermal anneal (RTA) is a process used in semiconductor device fabrication which consists of heating a single wafer at a time in order to affect its electrical properties. Unique heat treatments are designed for different effects. Wafers can be heated in order to activate dopants, change film-to-film or film-to-wafer substrate interfaces, densify deposited films, change states of grown films, repair damage from ion implantation, move dopants or drive dopants from one film into another or from a film into the wafer substrate. Rapid thermal anneals are performed by equipment that heats a single wafer at a time using lamp based heating that a wafer is brought near. Unlike furnace anneals they are short in duration, processing each wafer in several minutes. Rapid thermal anneal is a subset of processes called Rapid Thermal Process (RTP).

AG Associates Heatpulse is one of the most famous RTP equipment manufacturers. Many Integrated Chip companies, R&D centers, Institutes all over the world have been using AG Heatpulse Systems.

Allwin21 Corp can provide the following refurbished RTP equipment

AG Heatpulse 210
AG Heatpulse 410
AG Heatpulse 610
AG Heatpulse 2100
AG Heatpulse 4100
AG Heatpulse 4100S
AG Heatpulse 4108

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