Sealing material tablet method of manufacturing the tablet and electronic component device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7208113
APP PUB NO 20050040561A1
SERIAL NO

10487668

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Abstract

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To provide a method of producing an encapsulating molding material tablet by which adhesion of an encapsulating molding material to the punch surface of a tablet forming machine can be reduced, an encapsulating molding material tablet produced by this method, and an electronic part apparatus equipped with an element encapsulated using this encapsulating molding material tablet. A method of producing an encapsulating molding material tablet in which a release agent dissolved in a solvent is fed to the punch surface of a tablet forming machine to form a release agent layer having a thickness of over 0.001 .mu.m and less than 0.07 .mu.m on the above-mentioned punch surface, then, an encapsulating molding material is fed to the above-mentioned tablet forming machine for molding the material, an encapsulating molding material tablet produced by this method or having a contact angle ratio of 1.15 or more and less than 1.35, and an electron part apparatus equipped with an element encapsulated using this encapsulating molding material tablet.

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Patent Owner(s)

Patent OwnerAddress
HITACHI CHEMICAL COMPANY LTDCHIYODA-KU TOKYO 100-6606

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inagawa, Takashi Shimotsuma, JP 8 74
Kubo, Katsumi Ibaraki-ken, JP 6 76
Masubuchi, Hiroshi Shimodate, JP 3 13
Ono, Akio Tochigi-ken, JP 24 454
Terada, Hiroshi Oyama, JP 88 908
Yamada, Tateo Yuki, JP 12 65

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