US PATENT SUBCLASS 228 / 187
.~.~ Separate successive bonds at different temperatures


Current as of: June, 1999
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228 /   HD   METAL FUSION BONDING

101  DF  PROCESS {38}
178  DF  .~ Plural joints {9}
187.~.~ Separate successive bonds at different temperatures


DEFINITION

Classification: 228/187

(under subclass 178) Process in which the forming of the plural joints includes the utilization of different degrees of heat.

(1) Note. The operation of this subclass normally uses filler materials of differing melting temperatures whereby the initially formed joints are not disturbed by successive joining steps which occur at temperatures below the preceding fusion temperatures.