US 8,475,016 B2 · Optical device

Abstract

The present invention provides an optical device including: a light source; an optical element to be irradiated with light emitted from the light source; and a supporting member for supporting the optical element through a cured product of an adhesive. This cured product of the adhesive contains a thermoplastic elastic material. The present invention also provides an optical device including: a light source; an optical element to be irradiated with light emitted from the light source; and a supporting member for supporting the optical element through a cured product of an adhesive. This cured product of the adhesive has a Young's modulus of at least 1.0E+5 Pa but less than 1.0E+7 Pa in an exponential expression, in a temperature range that the cured product of the adhesive reaches due to heat generation during operation.

Claims7

Dependent claims

An optical device comprising:

a light source;
an optical element to be irradiated with light emitted from the light source;
and
a supporting member for supporting the optical element through a cured product of an adhesive,
wherein the adhesive comprises a photo-curing component and a thermoplastic elastic material.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

12/789,032Filed 27 May 2010

Priority

JP 2009-12987529 May 2009

Published

US 2010/0302784 A12 Dec 2010

Granted

2 Jul 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

G11B 7/22
Heads, e.g. forming of the optical beam spot or modulation of the optical beam: apparatus or processes for the manufacture of optical heads, e.g.…
G11B 7/1374
Lenses: objective lenses
G11B 7/1392
Means for guiding the beam from the source to the record carrier or from the record carrier to the detector: means for controlling the beam…
G11B 2007/0006
Recording, reproducing or erasing systems characterised by the structure or type of the carrier: adapted for scanning different types of carrier,…

Optical device

Life of this patent

Optical device

Life of this patent

Abstract

Claims7