Circuit board stiffener

Details Circuit board stiffener Circuit board stiffener

1991-02-28

1993-03-30

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including fastener for attaching to external surface

428120, 428131, 428156, 428167, 428212, 428901, 174138G, 174250, 269903, 361331, 361392, 361395, 361415, 439620, B32B 306, H01R 1366

Patent

active

051982790

ABSTRACT:
A board stiffener (50) of rigid construction of high heat resistance material having recesses (62) to be secured to a large circuit board (10) over a plurality of electrical articles having contacts (24) soldered to the board, such as electrical connectors (20). The board stiffener (50) is mounted firmly to the board at locations near each recess (62) in abutment with top surfaces (34) of connectors (20) and provides resistance against warping by the board (10) during high temperature soldering operations. The board stiffener (50) can have channels (68,70) along the bottom surface (52) and the recess surfaces (72,74) to enable flow of solvent during flux cleaning following soldering operations.

REFERENCES:
patent: 3369821 (1968-02-01), Weber
patent: 4835034 (1989-05-01), Cruz

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