Plasma Ashing Equipment
An imported plasma line array (dual-line) generates a uniform plasma region of 150mm ×800mm, with plasma ashing uniformity better than 5%. Substrate scanning enables uniform ashing of 1400mm gratings. Under low-vacuum conditions, oxygen plasma can thin photoresist grating masks on large substrates by ashing, with a resist removal rate below 100nm/min and vertical etch-rate uniformity better than 10%. It can also rapidly strip resist from the entire substrate at a removal rate above 1000nm/min.
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Overview
An imported plasma line array (dual-line) generates a uniform plasma region of 150mm ×800mm, with plasma ashing uniformity better than 5%. Substrate scanning enables uniform ashing of 1400mm gratings. Under low-vacuum conditions, oxygen plasma can thin photoresist grating masks on large substrates by ashing, with a resist removal rate below 100nm/min and vertical etch-rate uniformity better than 10%. It can also rapidly strip resist from the entire substrate at a removal rate above 1000nm/min.
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Supplier Information
Anhui Zhongke Grating Technology Co., Ltd. was established in October 2020. It is a domestic manufacturer capable of providing meter-scale aperture diffraction gratings. It is a national high-tech enterprise and provincial specialized and new enterprise dedicated to the R&D, production, sales and technical services of optical components centered on gratings, AR diffractive waveguide display modules, ion beam etching equipment and other related products. The founding team has more than 40 years of technical accumulation in diffraction grating development, independently mastering core technologies such as 'grating design, holographic exposure, etching, and comprehensive cleaning', achieving independent control of a series of high-precision gratings and core process equipment. The core products fill gaps in domestic market. The company is located in Changlinhe Science and Technology Town, Feidong County, with over 1500 square meters of clean rooms (Class 100-1000) and 3000 square meters of R&D space, and R&D personnel accounting for over 40%.
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