Disc having substrate, intermediate layer and magnetically sensi

Details Disc having substrate, intermediate layer and magnetically sensi Disc having substrate, intermediate layer and magnetically sensi

1979-07-05

1981-03-03

Cannon, James C.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428432, 428433, 428631, 428434, 428469, 428632, 428472, 428642, 428646, 428649, 428650, 428651, 428656, 428666, 428900, 428928, 428937, 428939, 209192, 427128, 427129, 427130, 427131, 427132, 427327, 427328, 427330, 4273744, 4273747, 4273768, 427405, 4274194, 427421, 427423, 428 64, 428428, B05D 138, B32B 702, B32B 3120, B32B 3108

Patent

active

042541891

ABSTRACT:
A structure and method for manufacturing said structure are disclosed for producing a surface of improved smoothness. The result is achieved by applying to the substrate a layer of low melting point metal or low melting point glass and elevating the composite structure to the melting point of said low melting point metal or low melting point glass. The said metal or glass thereupon spreads to a smooth surface of greatly improved roughness.

REFERENCES:
patent: 2842458 (1958-07-01), Feeney et al.
patent: 3198657 (1965-08-01), Kimball et al.
patent: 3291578 (1966-12-01), Fahey
patent: 3395444 (1968-08-01), Davis et al.
patent: 3681225 (1972-08-01), Gemma et al.
patent: 3959553 (1976-05-01), Hartmann et al.
patent: 4029541 (1977-06-01), Barlow et al.
patent: 4159358 (1979-06-01), Hench

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