Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-01-30
1991-07-30
Ryan, Patrick J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
428323, 428328, 428901, C08K 308
Patent
active
050361287
ABSTRACT:
A method for producing a circuit board involves printing a U.V. curable ink onto a substrate in a desired circuit pattern and curing the ink by exposing it to a pulsed U.V. source or subjecting the circuit pattern prepared from a U.V. curable ink containing magnetite particles to a magnetic field to move the magnetite particles to the upper surface of the U.V. curable ink. Other embodiments include circuit boards made in accordance with these methods and the use of the U.V. curable ink as a shielding composition for enclosures housing electronic equipment.
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patent: 3968056 (1976-07-01), Bolon et al.
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patent: 4863757 (1989-09-01), Durand
IEEE Transactions on Electrical Insulation, vol. EI-13, No. 2, 4/78, Radiation Curable Conductive Ink, Bolon et al, pp. 116-121.
Key-Tech Inc.
Ryan Patrick J.
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