Stock material or miscellaneous articles – Printed circuit
Reexamination Certificate
2006-05-09
2006-05-09
Feely, Michael J. (Department: 1712)
Stock material or miscellaneous articles
Printed circuit
C428S297400, C428S396000, C428S413000, C428S414000, C428S416000, C428S418000, C523S400000, C523S461000
Reexamination Certificate
active
07041399
ABSTRACT:
Disclosed are a varnish for laminate or prepreg, comprising a heat treatment product which is obtained by mixing together (a) an epoxy resin, (b) dicyandiamide, and (c) a compound having an imidazole ring so that the component (c) is present in an amount of 0.001 to 0.03% by weight, based on the weight of the component (a), and subjecting the resultant mixture to reaction for heat treatment in an organic solvent at a temperature of 70° C. to less than 140° C. so that all of the components are compatible with one another in the absence of a solvent; and (d) inorganic filler, a laminate or prepreg prepared using the varnish and a printed wiring board prepared using the laminate and/or prepreg.
REFERENCES:
patent: 4923910 (1990-05-01), Kitagawa et al.
patent: 5837355 (1998-11-01), Hayai
patent: 5994429 (1999-11-01), Honda et al.
patent: 0 472 830 (1992-03-01), None
patent: 59-038235 (1984-03-01), None
patent: 06-100763 (1994-04-01), None
patent: 06-100764 (1994-04-01), None
patent: 08-003283 (1996-01-01), None
patent: 09-263647 (1997-10-01), None
patent: 2000-136292 (2000-05-01), None
Machine translation of JP 06-100763, provided by the JPO website.
Machine translation of JP 06-100764, provided by the JPO website.
International Search Report for No. PCT/JP01/10884, mailed Mar. 12, 2002.
Supplementary European Search Report, for Application No. 01270570.3-2102 PCT/JP01/10884, dated Sep. 5, 2005.
Abe Norihiro
Hirai Yasuyuki
Takeda Yoshiyuki
Antonelli, Terry Stout and Kraus, LLP.
Feely Michael J.
Hitachi Chemical Co. Ltd.
LandOfFree
Varnish for laminate or prepreg, laminate or prepreg... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Varnish for laminate or prepreg, laminate or prepreg..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Varnish for laminate or prepreg, laminate or prepreg... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3582875