Soldering iron tip

Details Soldering iron tip Soldering iron tip

1987-03-25

1989-05-16

Rowan, Kurt

Metal fusion bonding

Metallic heat applicator

Tip or head alloy or polymetallic structure

219229, B23K 302

Patent

active

048302600

ABSTRACT:
A soldering iron tip comprises a copper body with a layer of glass bonded on the surface. The portion of the body used for melting solder is not coated. The glass is opaque to infrared, has high, uniform and stable emissivity, helps prevent oxidation, limits wetting of the tip by solder, and is easily kept clean. The glass is readily applied to a soldering iron tip by melting a frit. Such a glass layer provides electrical insulation from a soldering iron and prevents leakage electric current from damaging sensitive components. A method is provided for measuring temperature of an article during soldering by applying a glass which absorbs infrared to a portion of the article and measuring infrared emittance from the glass during soldering.

REFERENCES:
patent: 2501616 (1950-03-01), Robinson
patent: 3315350 (1967-04-01), Kent
patent: 3963897 (1976-06-01), Wakita

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