发明授权
US4935175A Mold cleaning composition, sheet for cleaning mold, and method for
cleaning mold using said cleaning sheet
失效
模具清洗组合物，清洁模具用片材以及使用所述清洁片材清洁模具的方法
- 专利标题： Mold cleaning composition, sheet for cleaning mold, and method for cleaning mold using said cleaning sheet
- 专利标题（中）： 模具清洗组合物，清洁模具用片材以及使用所述清洁片材清洁模具的方法
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申请号： US131791申请日： 1987-12-11
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公开(公告)号： US4935175A公开(公告)日： 1990-06-19
- 发明人: Toshihiko Kitaura , Akio Nakamura , Masayuki Sakamoto , Kouichi Takashima , Kiyotaka Hirakawa , Matao Mizota
- 申请人： Toshihiko Kitaura , Akio Nakamura , Masayuki Sakamoto , Kouichi Takashima , Kiyotaka Hirakawa , Matao Mizota
- 申请人地址： JPX Osaka
- 专利权人： Nitto Electric Industrial Co., Ltd.
- 当前专利权人： Nitto Electric Industrial Co., Ltd.
- 当前专利权人地址： JPX Osaka
- 优先权： JPX61-296198 19861211; JPX61-296199 19861211; JPX61-313559 19861223; JPX62-61478 19870316; JPX62-186374 19870724
- 主分类号： B08B1/00
- IPC分类号： B08B1/00 ; B29C33/72 ; C08K5/3445 ; H01L21/56
摘要：
A mold-cleaning composition and sheet comprising an uncured rubber composition comprising an uncured rubber and a curing agent, and at least one removal aid selected from imidazoles and imidazolines, and a method for cleaning a mold using the mold-cleaning sheet, are disclosed. The mold-cleaining sheet is suitably used to clean molding surfaces of a mold or to remove contaminants such as burr formed at peripheries thereof in the continuous production of semiconductor devices by transfer molding.
公开/授权文献
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