Process for producing a thin metal structure with a self-support

Details Process for producing a thin metal structure with a self-support Process for producing a thin metal structure with a self-support

1976-03-17

1977-11-15

Van Horn, Charles E.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

29160, 96 36, 156661, 156664, 204 11, 204 15, 313348, H01L 21312

Patent

active

040584321

ABSTRACT:
A process for producing a thin metal structure with a self-supporting frame, such as a grid, characterized by forming a galvanic resistant coating on a first surface of a carrier member with the coating exposing portions of the first surface adjacent the end of the carrier member and portions of the first surface in the configuration of the metal structure to be formed, depositing a layer of metal on the exposed portion of the first surface, removing the galvanic resistant coating, applying an etch resistant coating on the edges of thecarrier member and at least a portion of a second surface adjacent the edges of the carrier member and then selectively etching the carrier member to remove the carrier member except for that portion protected by the etch resistant coating to form the thin metal structure mounted on a self-supporting frame. The carrier member may either be a single member or a multi-layer member which has a metal coating forming the first surface. The process when using a multi-layer includes providing a protective layer on the metal structure and etching away the majority of the carrier member and then subsequently etching the metallic layer and protective layer to produce the metal structure on the frame.

REFERENCES:
patent: 2499977 (1950-03-01), Scott
patent: 2829460 (1958-04-01), Golay
patent: 2933436 (1960-04-01), Miller et al.
patent: 3037896 (1962-06-01), Gauntt et al.
patent: 3130487 (1964-04-01), Mears
patent: 3192136 (1965-06-01), Reid
patent: 3197391 (1965-07-01), Bowers
patent: 3329541 (1967-07-01), Mears
patent: 3451902 (1969-06-01), Levinds
patent: 3458370 (1969-07-01), Cone
patent: 3476658 (1969-11-01), Corwin

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