Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2006-04-18
2006-04-18
Yao, Sam Chuan (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S275500, C156S275700, C428S040200, C428S041800, C428S042300, C428S200000, C428S202000, C428S343000, C428S345000, C428S352000, C428S3550RA, C428S3550BL
Reexamination Certificate
active
07029550
ABSTRACT:
An energy-beam-curable thermal-releasable pressure-sensitive adhesive sheet has, on at least one side of a base material, an energy-beam-curable viscoelastic layer and a thermo-expandable pressure-sensitive adhesive layer containing thermo-expandable microspheres stacked in this order. The energy-beam-curable viscoelastic layer is, for example, composed of a composition of an organic viscoelastic body and an energy-beam-curable compound or an energy-beam-curable resin. The energy-beam-curable viscoelastic layer has a thickness of about 5 to 300 μm or may be not greater than the maximum particle size of the thermo-expandable microspheres. The energy-beam-curable thermal-releasable pressure-sensitive adhesive layer according to the invention has adhesion enough to withstand a carrying step of an adherend, causes neither winding up of the adhesive nor chipping upon cutting and facilitates peeling and collection of cut pieces after cutting.
REFERENCES:
patent: 5441810 (1995-08-01), Aizawa et al.
patent: 2004/0003883 (2004-01-01), Kiuchi et al.
patent: 0612823 (1994-08-01), None
patent: 1 033 393 (2000-06-01), None
patent: 11-166164 (1999-06-01), None
patent: WO 00/18848 (2000-04-01), None
Patent Abstract of Japan vol. 1999, No. 11, Sep. 30, 1999.
International Search Report dated Apr. 3, 2002.
Arimitsu Yukio
Kiuchi Kazuyuki
Murata Akihisa
Oshima Toshiyuki
Nitto Denko Cororation
Sughrue & Mion, PLLC
Yao Sam Chuan
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