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    • 93. 发明申请
    • Apparatus and processes for the mass production of photovoltaic modules
    • 光伏组件批量生产的设备和工艺
    • US20030129810A1
    • 2003-07-10
    • US10200265
    • 2002-07-22
    • Kurt L. BarthRobert A. EnzenrothWalajabad S. Sampath
    • H01L021/00H01L021/301H01L021/46H01L021/78
    • H01L31/1828Y02E10/543
    • An apparatus and processes for large scale inline manufacturing of CdTe photovoltaic modules in which all steps, including rapid substrate heating, deposition of CdS, deposition of CdTe, CdCl2 treatment, and ohmic contact formation, are performed within a single vacuum boundary at modest vacuum pressures. A pnull ohmic contact region is formed by subliming a metal salt onto the CdTe layer. A back electrode is formed by way of a low cost spray process, and module scribing is performed by means of abrasive blasting or mechanical brushing through a mask. The vacuum process apparatus facilitates selective heating of substrates and films, exposure of substrates and films to vapor with minimal vapor leakage, deposition of thin films onto a substrate, and stripping thin films from a substrate. A substrate transport apparatus permits the movement of substrates into and out of vacuum during the thin film deposition processes, while preventing the collection of coatings on the substrate transport apparatus itself.
    • 一种用于大规模在线制造CdTe光伏模块的设备和方法,其中包括快速衬底加热,CdS沉积,CdTe沉积,CdCl 2处理和欧姆接触形成的所有步骤在适当的真空压力下在单个真空边界内进行 。 通过将金属盐升华到CdTe层上而形成p +欧姆接触区域。 通过低成本喷涂工艺形成背面电极,并通过喷砂或机械刷涂通过掩模进行模块划线。 真空处理装置有助于基板和薄膜的选择性加热,基板和薄膜暴露于蒸汽,蒸汽泄漏最小,薄膜沉积到基板上,以及从基板剥离薄膜。 基板输送装置允许在薄膜沉积工艺期间将基板移入和移出真空,同时防止基板输送装置本身上的涂层的收集。
    • 96. 发明申请
    • SEMICONDUCTOR DEVICE SEPARATION USING A PATTERNED LASER PROJECTION
    • 使用图案激光投影的半导体器件分离
    • US20020177288A1
    • 2002-11-28
    • US10114099
    • 2002-04-02
    • Dr. Michael G. BrownDr. Ivan EliashevichDr. Robert F. Karlicek Jr.Mr. James E. NeringMr. Mark Gottfried
    • H01L021/301H01L021/46H01L021/78
    • B23K26/0738B23K26/066B23K26/364B23K26/40B23K2101/40B23K2103/50H01L21/3043H01L21/6836H01L21/78H01L33/0095H01L2221/68327H01L2221/6834H01L2924/0002Y10S438/94H01L2924/00
    • Abstract of DisclosureA method for separating a semiconductor wafer into several thousand devices or die by laser ablation. Semiconductor wafers are initially pre-processed to create multiple devices, such as blue LEDs, on the wafers. The wafers are then mounted with tape coated with a generally high level adhesive. The mounted wafer is then placed on a vacuum chuck (which is itself positioned on a computer controlled positioning table) to hold it in place during the cutting process. The cutting surface is then covered with a protective layer to prevent contamination from the effluent resulting from the actual cutting process. A laser beam is generated and passed through optical elements and masks to create a pattern, such as a line or multiple lines. The patterned laser projection is directed at the wafer at a substantially normal angle and applied to the wafer until at least a partial cut is achieved through it. A mechanical separation process completes the separation when only a partial cut is achieved by the patterned laser projection. The die are then transferred to a grip ring for further processing.
    • 摘要公开通过激光烧蚀将半导体晶片分离成数千个器件或裸片的方法。 半导体晶片最初被预处理以在晶片上产生多个器件,例如蓝色LED。 然后将晶片安装在涂有一般高水平粘合剂的胶带上。 然后将安装的晶片放置在真空吸盘(其本身位于计算机控制的定位台上),以在切割过程中将其保持在适当位置。 然后用保护层覆盖切割表面,以防止来自实际切割过程的流出物的污染。 生成激光束并通过光学元件和掩模以产生图案,例如线或多条线。 图案化的激光投影以基本上正常的角度指向晶片,并施加到晶片,直到通过它至少实现部分切割。 当通过图案化的激光投影仅实现部分切割时,机械分离过程完成分离。 然后将模具转移到握环以进一步处理。