发明名称 |
Mold cleaning composition, sheet for cleaning mold, and method for cleaning mold using said cleaning sheet |
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. |
申请公布号 |
US4935175(A) |
申请公布日期 |
1990.06.19 |
申请号 |
US19870131791 |
申请日期 |
1987.12.11 |
申请人 |
NITTO ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KITAURA, TOSHIHIKO;NAKAMURA, AKIO;SAKAMOTO, MASAYUKI;TAKASHIMA, KOUICHI;HIRAKAWA, KIYOTAKA;MIZOTA, MATAO |
分类号 |
B08B1/00;B29C33/72;C08K5/3445;H01L21/56 |
主分类号 |
B08B1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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