Stock material or miscellaneous articles – Composite – Of polyimide
Reexamination Certificate
2005-01-04
2005-01-04
Hightower, P. Hampton (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polyimide
C428S215000, C428S216000, C428S213000, C428S220000, C428S411100, C428S457000, C428S458000, C427S532000, C427S533000, C427S535000, C427S536000, C264S176100, C264S173160, C264S271100, C264S272110, C264S272170, C528S170000, C528S353000
Reexamination Certificate
active
06838184
ABSTRACT:
An aromatic polyimide film for producing an electro-conductive sealing element of a packaged semi-conductor device, has a thickness of 20 to 60 μm, a moisture vapor transmission coefficient of 0.05 to 0.8 g/mm/m2·24 hrs, a water absorption ratio of 2.0% or less, and an elastic modulus in tension of 5,000 MPa or more, in which a surface of the polyimide film has been treated with reduced-pressure plasma discharge.
REFERENCES:
patent: 4731287 (1988-03-01), Noda et al.
patent: 5158831 (1992-10-01), Schirmer
patent: 5741598 (1998-04-01), Shiotani et al.
patent: 6129982 (2000-10-01), Yamaguchi et al.
patent: 6217996 (2001-04-01), Yamamoto et al.
patent: 6548180 (2003-04-01), Yamamoto et al.
patent: 6555238 (2003-04-01), Uhara et al.
patent: 6699572 (2004-03-01), Yamamoto et al.
patent: 6705007 (2004-03-01), Kurita et al.
patent: 20010010860 (2001-08-01), Yamaguchi et al.
Anno Toshihiko
Katsuki Shozo
Narui Kohji
Takahashi Takuji
Costellia Jeffrey L.
Hampton Hightower P.
Nixon & Peabody LLP
Ube Industries Ltd.
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