Optical disc structure, method and apparatus physically optimize

Details Optical disc structure, method and apparatus physically optimize Optical disc structure, method and apparatus physically optimize

1980-12-18

1982-06-22

Griffin, Donald A.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

3461351, G01D 900, G01D 1534

Patent

active

043365450

ABSTRACT:
A recording element adapted for real-time writing and reading with light of a single given wave-length utilizes a recording stratum, including a heat-deformable dye-binder layer, overlying a reflective support and is characterized by the dye-binder layer having optical constants such that its reflectance versus thickness variation curve has a first reflectance minimum having a high depth of modulation and the recording stratum having a nominal thickness sufficiently greater than the thickness corresponding to the first reflectance minimum to effect reflection of a significant portion of light of such given wavelength.

REFERENCES:
patent: 4023185 (1977-05-01), Bloom et al.
patent: 4097895 (1978-06-01), Spong
patent: 4139853 (1979-02-01), Ghekiere et al.
patent: 4222071 (1980-09-01), Bell et al.
patent: 4270130 (1981-05-01), Houle et al.
A. E. Bell and F. W. Spong, "Antireflection Structures for Optical Recording", IEEE Journal of Quantum Electronics, pp. 487-495, 7/78.

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