NEAR-INFRARED-RAY ABSORPTION AGENT, NEAR-INFRARED-RAY ABSORBENT COMPOSITION, NEAR-INFRARED-RAY CUTOFF FILTER USING THE ABOVE AND METHOD FOR PRODUCING SAME, CAMERA MODULE AND METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING NEAR-INFRARED-RAY ABSORPTION AGENT

Title:

Document Type and Number:

WIPO Patent Application WO/2014/030444

Kind Code:

A1

Abstract:

Provided is a copper-phosphate complex having an increased gram absorption coefficient. A near-infrared-ray absorption agent contains a copper-phosphate ester complex resulting from reacting a copper salt and a compound that is a copper-phosphate ester complex having an O=P-O angle in the range of 104-120 degrees.

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Inventors:

HITOMI SEIICHI (JP)
BAK SEONGMU (JP)

Application Number:

PCT/JP2013/068599

Publication Date:

February 27, 2014

Filing Date:

July 08, 2013

Export Citation:

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Assignee:

FUJIFILM CORP (JP)

International Classes:

C09K3/00; G02B5/22; H01L27/14

Domestic Patent References:

WO2006080347A1	2006-08-03
WO2004006336A1	2004-01-15

Foreign References:

JPH06345877A	1994-12-20
JP2008031352A	2008-02-14
JP2003215325A	2003-07-30
JP2008303308A	2008-12-18
JP2008091535A	2008-04-17

Attorney, Agent or Firm:

SIKs & Co. (JP)
Patent business corporation patent firm Sykes (JP)

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