Compositions – Electrically conductive or emissive compositions – Free metal containing
Reexamination Certificate
2011-07-05
2011-07-05
Pyon, Harold Y (Department: 1761)
Compositions
Electrically conductive or emissive compositions
Free metal containing
C106S001180, C106S001190, C106S001210, C252S513000, C252S514000, C252S500000
Reexamination Certificate
active
07972538
ABSTRACT:
A conductive pattern formation ink capable of producing a conductive pattern with reduced likelihood of generation of cracks, a conductive pattern which is small in the number of cracks generated, low in specific resistance and superior in high-frequency characteristics, and a wiring substrate provided with the conductive pattern which is small in the number of cracks generated, low in specific resistance and superior in high-frequency characteristics are provided. The conductive pattern formation ink is used for forming a conductive pattern on a base member by patterning and comprised of a dispersion solution. The dispersion solution includes a solvent, metal particles dispersed in the solvent, and an anti-cracking agent contained in the solvent, wherein the anti-cracking agent is contained for preventing generation of cracks in the conductive pattern during desolvation of the solvent.
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Endo Sachiko
Kobayashi Toshiyuki
Toyoda Naoyuki
Harness & Dickey & Pierce P.L.C.
Nguyen Haidung D
Pyon Harold Y
Seiko Epson Corporation
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