Electric heating – Metal heating – For bonding with pressure
Patent
1991-06-20
1992-06-30
Evans, Geoffrey S.
Electric heating
Metal heating
For bonding with pressure
219 8519, B23K 100
Patent
active
051265273
ABSTRACT:
A High Temperature Solder Device for Flat Cables includes a microwelder, an anvil which acts as a heat sink and supports a flexible flat ribbon cable that is to be connected to a multiple pin connector. The microwelder is made from a modified commercially available resistance welding machine such as the Split Tip Electrode microwelder which consists of two separate electrode halves with a removable dielectric spacer in between. The microwelder is not used to "weld" the items together, but to provide a controlled compressive force on, and energy pulse to, a solder pre-form placed between a pin of the connector and a conductor of the flexible flat ribbon cable. When the microwelder is operated, an electric pulse will flow down one electrode, through the solder pre-form and back up the other electrode. This pulse of electrical energy will cause the solder pre-form to heat-up and melt, joining the pin and conductor.
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Clohan, Jr. Paul S.
Evans Geoffrey S.
Marchat R. Dennis
Miller Guy M.
The United States of America as represented by the Administrator
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