Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement
Reexamination Certificate
2011-05-17
2011-05-17
Wu, Shean C (Department: 1722)
Electricity: conductors and insulators
Conduits, cables or conductors
Preformed panel circuit arrangement
C174S250000, C428S195100, C428S458000, C428S901000, C252S299010, C252S299500, C427S099400
Reexamination Certificate
active
07943856
ABSTRACT:
A composition for producing a printed circuit board is provided. The composition includes a polyamic acid having one or two crosslinkable functional groups introduced at one or both ends thereof, a liquid crystal polymer (LCP) or a liquid crystalline thermoset (LCT) oligomer, and an organic solvent. Therefore, the composition can be used as a material for next-generation boards that are becoming gradually lighter in weight and smaller in thickness and size. Further provided is a printed circuit board produced using the composition.
REFERENCES:
patent: 5167985 (1992-12-01), Ito et al.
patent: 7514126 (2009-04-01), Suemasu
patent: 2009/0092800 (2009-04-01), Yang et al.
patent: 11092647 (1999-04-01), None
Cho Chung Kun
Gu Bon Hyeok
Jung Myung Sup
Suh Sang Hyuk
Yang Yoo Seong
Cantor & Colburn LLP
Samsung Electro-Mechanics Co. Ltd.
Samsung Electronics Co,. Ltd.
Samsung Fine Chemicals Co. Ltd.
Wu Shean C
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