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Patent Searching and Data


Title:
PRODUCTION OF OPTICAL DEVICE
Document Type and Number:
Japanese Patent JPH11189712
Kind Code:
A
Abstract:

To provide a production method of an optical device capable of remarkably reducing the level of molding defectiveness, for example, such as displacement of the optical axes and the like by according the thermal movement of a molding frame of an optical device with that of a lead frame.

The optical device is sealed with a resin by using a molding jig and/or a molding frame comprising cured heat curable resin composition satisfying the following requirements of (i) and (ii).(i) shrinkage factor in curing time is ≤0.1%. (ii) coefficient of thermal expansion at normal termperature -180°C is 0.7×10-5-1.6×10-5/°C.


Inventors:
MATSUI FUMIO
INAGAKI MUNEAKI
MORITA KATSUHISA
NAKAJIMA HIROSHI
Application Number:
JP35896397A
Publication Date:
July 13, 1999
Filing Date:
December 26, 1997
Export Citation:
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Assignee:
SHOWA HIGHPOLYMER
International Classes:
B29D11/00; C08L67/06; H01L21/56; H01L33/56; H01L33/62; B29K101/10; (IPC1-7): C08L67/06; B29D11/00; H01L21/56; H01L33/00
Attorney, Agent or Firm:
Soga Doteru (6 people outside)