Pressed and sintered composite body comprising a thin tape cast

Details Pressed and sintered composite body comprising a thin tape cast Pressed and sintered composite body comprising a thin tape cast

1982-04-12

1984-03-06

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428546, 428565, 428332, 428698, 428699, 428702, 428926, 428932, 419 6, B22F 702, B32B 1516, B32B 900, B32B 904

Patent

active

044354800

ABSTRACT:
A composite body has a pressed mix base or layer and a thin facing layer formed by casting and bonded to the base and having desired physical properities different from those of the base. This body has utility as a semiconductor substrate with the cast layer providing a substantially defect-free surface for microcircuit formation, or as a cutting tool or the like with the cast layer constituting the hard wear-resistant cutting surface.

REFERENCES:
patent: 3310870 (1967-03-01), Parikh et al.
patent: 3330654 (1967-07-01), Sweet
patent: 3577226 (1971-05-01), Elbert et al.
patent: 3786854 (1974-01-01), Mizuhara et al.
patent: 3916506 (1975-11-01), Wolf
patent: 4112180 (1978-09-01), Steigelman
patent: 4198233 (1980-04-01), Frehn
patent: 4359335 (1982-11-01), Garner

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