Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1985-05-07
1988-11-01
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156631, B44C 122, C03C 1500
Patent
active
047817925
ABSTRACT:
A process for etching a glass surface employing a mask film comprising a porous support layer having a resist area impervious to a glass etchant composition and non-resist areas pervious to the glass etching composition. The glass surface to be etched is cleaned and wetted with a basic aqueous solution. The backside of the mask is applied to the wetted glass surface and squeeged thereon to form a film of the basic aqueous solution to detachably secure the mask to the glass surface. The glass etchant composition is applied to the face of the mask to cover all the non-resist areas to etch the underlying glass. After the glass has been etched to the desired degree, the mask together with substantially all of the glass etchant composition is removed from the glass surface. The surface of the glass is then washed with the aqueous basic solution to remove any residual glass etchant composition.
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patent: 95617 (1869-10-01), Strauss
patent: 154032 (1874-08-01), Frederici
patent: 1832716 (1930-09-01), Lopez
patent: 2067925 (1937-01-01), Kennedy
patent: 2127781 (1938-08-01), McKay
patent: 2162590 (1939-06-01), Richter et al.
patent: 2324694 (1943-07-01), Gustkey
patent: 3769113 (1973-10-01), Gruenke, Jr.
patent: 4316766 (1982-02-01), Levin et al.
patent: 4436776 (1984-03-01), Wojcik
patent: 4585514 (1986-04-01), Scallan
Merriam-Webster New Collegiate Dictionary, G & C Merriam Co., Springfield, Mass., 1977, p. 92.
Ball Michael W.
Hoch Ramon R.
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