Canada balsam wafers

Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board

Patent

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Details

427 2, G02B 2134

Patent

active

046079203

ABSTRACT:
A wafer comprising a thin circular disk of Canada balsam or similar transparent sealing cement of low refractive index for melting and embedding permanent microscopic specimens therein.

REFERENCES:
patent: 2351282 (1944-06-01), Oliver, Jr.
patent: 3031924 (1962-05-01), Lamal
patent: 3498860 (1970-03-01), Pickett
patent: 3891327 (1975-06-01), Welch
patent: 4011350 (1977-03-01), Markovits et al.
patent: 4120991 (1978-10-01), Ornstein et al.

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