US PATENT SUBCLASS 219 / 85.21
.~.~.~ Solder preforms

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
78.01  DF  .~ For bonding with pressure (e.g., resistance welding) {16}
85.1  DF  .~.~ Brazing or soldering {9}
85.21.~.~.~ Solder preforms

DEFINITION

Classification: 219/85.21

Solder preforms:

(under subclass 85.1) Subject matter in which the structure or shape of the filler metal (flux or solder) is predetermined to form the resultant joint (braze or weld).

SEE OR SEARCH THIS CLASS, SUBCLASS:

85.2, and 146.1, for the specific composition of the solder preform.

SEE OR SEARCH CLASS

228, Metal Fusion Bonding,

56.3, for additional solder forms used in bonding.