Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2011-02-08
2011-02-08
Arbes, C. J (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S840000, C029S846000, C029S852000, C257S698000, C438S698000
Reexamination Certificate
active
07882626
ABSTRACT:
A method of manufacturing a wiring board having a semiconductor chip mounting surface for mounting a semiconductor chip thereon which is manufactured by a process including a step of forming a wiring layer and an insulating layer on a support board and a step of removing the support board, including a peeling layer forming step of forming a peeling layer on the support board formed by a material having a coefficient of thermal expansion which is equal to that of a semiconductor substrate constituting the semiconductor chip, and a support board removing step of removing the support board by carrying out a predetermined treatment over the peeling layer.
REFERENCES:
patent: 6796024 (2004-09-01), Katoh et al.
patent: 2004/0154163 (2004-08-01), Miyazaki et al.
patent: 2004/0231141 (2004-11-01), Nishinaka et al.
patent: 2008/0245549 (2008-10-01), Kodani et al.
patent: 2009/0314525 (2009-12-01), Kajino et al.
patent: 2000-323613 (2000-11-01), None
Higashi Mitsutoshi
Murayama Kei
Sunohara Masahiro
Arbes C. J
Drinker Biddle & Reath LLP
Shinko Electric Industries Co. Ltd.
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