Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Reexamination Certificate
2006-01-26
2009-11-24
Chriss, Jennifer A (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
C174S255000, C174S257000, C174S258000, C257S746000, C361S771000, C428S212000, C428S297400, C442S366000, C442S389000, C442S414000, C442S415000
Reexamination Certificate
active
07622184
ABSTRACT:
A stack of 50 layers of a first pitch-base carbon fiber sheet is formed, two sets of stack each having two second pitch-base carbon fiber sheets stacked therein are fabricated. At this time, the second carbon fiber sheets have a thermal expansion coefficient larger than that of the first carbon fiber sheet. Next, the stack of the first carbon fiber sheet is then held between two sets of stack of the second carbon fiber sheets. The stack of the first and second carbon fiber sheets are then impregnated with an epoxy-base resin composition and the resin is solidified. As a result a prepreg composed of the first and second carbon fiber sheets and the resin component composed of the epoxy-base resin composition is obtained. Thereafter, interconnections and the like are then formed on the prepreg, to thereby complete a multilevel interconnection board.
REFERENCES:
patent: 7224046 (2007-05-01), Abe et al.
patent: 2002/0090873 (2002-07-01), Moody
patent: 2003/0136577 (2003-07-01), Abe
patent: 3-104191 (1991-05-01), None
patent: 5-286776 (1993-11-01), None
patent: 2003-273482 (2003-09-01), None
patent: WO 2004064467 (2004-07-01), None
Abe Tomoyuki
Kurashina Mamoru
Okamoto Keishiro
Chriss Jennifer A
Fujitsu Limited
Westerman Hattori Daniels & Adrian LLP
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