Title:
SEMICONDUCTOR SEALING RESIN TABLET AND ITS MANUFACTURE
Document Type and Number:
WIPO Patent Application WO/1992/016969
Kind Code:
A1
Abstract:
Tablets are made by cooling and solidifying a molten resin composition, having a compressibility C of 98 % or more and a metallic impurity content (including iron ions; the same applies hereinbelow) of less than 50 ppm. It is particularly preferable to keep 250-mesh or finer dust on the tablet surface at less than 0.05 wt % and the water content at less than 0.1 wt %.
More Like This:
| JP3689545 | MANUFACTURE OF MOLDING MATERIAL |
| JP5119703 | Method for producing flaky diaryl carbonate |
| WO/1998/026911 | POLYMER PROCESSING METHOD AND TABLET-FORMING APPARATUS |
Inventors:
TARUNO TOMOHIRO (JP)
KANAI SHINICHI (JP)
ASAO HIROYUKI (JP)
KIMURA SYOICHI (JP)
TOYODA YOSHIO (JP)
KANAI SHINICHI (JP)
ASAO HIROYUKI (JP)
KIMURA SYOICHI (JP)
TOYODA YOSHIO (JP)
Application Number:
PCT/JP1992/000345
Publication Date:
October 01, 1992
Filing Date:
March 19, 1992
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B29B9/10; B29B11/14; B29B13/02; B29C43/00; B29C43/08; B29C43/34; B29C45/46; H01L21/00; H01L21/56; H01L23/29; B29C35/16; B29C48/00; B29C48/04; B29C48/07; B29C48/08; (IPC1-7): B29B11/00; H01L21/56
Foreign References:
| JPS6354468A | 1988-03-08 | |||
| JPS61270121A | 1986-11-29 | |||
| JPS597009A | 1984-01-14 | |||
| JPH02171220A | 1990-07-02 | |||
| JPH01129424A | 1989-05-22 | |||
| JPS6351108A | 1988-03-04 | |||
| JPS5653145U | 1981-05-11 | |||
| JPS5431004U | 1979-03-01 | |||
| JPH035103A | 1991-01-10 | |||
| JPS6140353A | 1986-02-26 |
Other References:
See also references of EP 0530377A4
Attorney, Agent or Firm:
Hagino, Taira (14th Floor Toranomon-Mitsui Building, 8-1,
Kasumigaseki 3-chom, Chiyoda-ku Tokyo 100, JP)
Download PDF: