Conduits integrated in circuit board and method of manufacture

Details Conduits integrated in circuit board and method of manufacture Conduits integrated in circuit board and method of manufacture

2005-05-31

2005-05-31

Campbell, Thor (Department: 3742)

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

C219S543000, C216S039000

Reexamination Certificate

active

06901217

ABSTRACT:
Circuit boards (1100, 1400) and methods for fabricating circuit boards that include conduits (1004) are provided. The conduits formed by patterning a metal layer (1102) are lined by inert coating (1106) and caped by a photodefinable polymer layer (1110) that is affixed to the inert coating by with the help of an initially uncured polymer layer (1106). Holes are formed by patterning the photodefinable polymer layer for admitting and removing fluid from the conduit.

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