Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – With provision to conduct electricity from panel circuit to...
Reexamination Certificate
2006-06-06
2006-06-06
Gilman, Alexander (Department: 2833)
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
With provision to conduct electricity from panel circuit to...
C439S091000
Reexamination Certificate
active
07056129
ABSTRACT:
An anisotropically electroconductive adhesive film is characterized by containing an electroconductive elastomer that traverses the thickness of the adhesive film and is insulated in the plane of the adhesive film comprising electrically insulating elastomer, and both the electroconductive elastomer and the electrically insulating elastomer have a modulus of elasticity at 150° C. that is no greater than 100 MPa. A method for producing the anisotropically electroconductive adhesive film is characterized by forming through holes across the thickness of the adhesive film comprising electrically insulating elastomer, thereafter filling the through holes with an electroconductive elastomer composition, and curing the electroconductive elastomer composition to form the electroconductive elastomer after filling the through holes. A semiconductor device characterized by the electrical connection of the terminals of a semiconductor chip to the interconnect pads of an interconnect substrate by the aforementioned anisotropically electroconductive adhesive film.
Kobayashi Akihiko
Mine Katsutoshi
Nakayoshi Kazumi
Shima Ryoto
Ushio Yoshito
Dow Corning Toray Silicone Co. Ltd.
McKellar Robert L.
McKellar IP Law, PLLC
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