Stop-off composition for metals

Details Stop-off composition for metals Stop-off composition for metals

1980-06-16

1982-01-26

Hess, Bruce H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156289, 156290, 228118, 427287, 428208, 428209, 428328, 428461, B23K 3536, B32B 318, B32B 516, B32B 1508

Patent

active

043129064

ABSTRACT:
A filler of polyisobutylene dissolved in a solvent is combined with boron nitride to form a stop-off compound used as a parting agent when diffusion bonding metals. A uniform coating of the compound is applied with screen printing methods prior to bonding.

REFERENCES:
patent: 3214251 (1965-10-01), Brick et al.
patent: 3927817 (1975-12-01), Hamilton et al.

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