Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1991-11-29
1994-06-21
Page, Thurman K.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
540123, 540124, 540125, 540126, 540127, 540128, 540139, G03C 176
Patent
active
053227603
ABSTRACT:
A nonlinear optical element comprising a tetraazaporphyrin compound represented by the formula (I): ##STR1## This nonlinear optical element is excellent in that it is improved over low switching speed of the conventional inorganic materials and over small nonlinearity and poor chemical and physical stability and workability of the conventional organic materials.
REFERENCES:
patent: 4622179 (1986-11-01), Eda
patent: 4854676 (1989-08-01), Kalyanaraman et al.
Itoh Yuzo
Kakuta Atsushi
Mukoh Akio
Hitachi , Ltd.
Page Thurman K.
Venkat Jyothsna
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