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Black polymerizable composition and method for producing black layer

A technology of composition and black layer, which can be applied in the direction of photographic process, coating, and photosensitive materials used in optomechanical equipment, etc., can solve the problems that the research on the resistance of alkali developer has not been fully carried out, and achieve extreme The effect of good shading characteristics

Active Publication Date: 2015-08-05
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] Therefore, studies on said problems involving alkali developer resistance have not been sufficiently conducted

Method used

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  • Black polymerizable composition and method for producing black layer
  • Black polymerizable composition and method for producing black layer
  • Black polymerizable composition and method for producing black layer

Examples

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example

[0391] Hereinafter, the present invention is described in detail with reference to Examples without departing from the spirit of the present invention, but the present invention is not limited to the following Examples. In addition, "%" and "parts" are by mass unless otherwise specified.

[0392] Preparation of Titanium Black Dispersion (TB-1 Dispersion)

[0393] The components shown in Composition I below were subjected to a high-viscosity dispersion treatment using a double roller to obtain a dispersion liquid. The viscosity of this dispersion was 40,000 mPa·s.

[0394] In addition, the components may be kneaded for 30 minutes using a kneader before the high-viscosity dispersion treatment.

[0395] (composition I)

[0396] Titanium black 13M-C with an average primary particle diameter of 75 nm (manufactured by Mitsubishi Materials Electronic Chemicals Co., Ltd.) (Pigment Black 35)

[0397] 40 copies

[0398] ・Propylene glycol mo...

example 1 to example 5 and comparative example 1 and comparative example 2

[0426] 1. Preparation of black polymerizable composition

[0427] The components of the following composition A-1 were mixed using a mixer to prepare each black polymerizable composition used in Examples 1 to 5 and Comparative Examples 1 and 2.

[0428] (Composition A-1)

[0429] ・(D) 2.5 parts of alkali-soluble binder polymer described in Table 1

[0430] (C) Polymerizable compound: 2.0 parts of dipentaerythritol hexaacrylate

[0431] (C) Polymerizable compound: 1.0 parts of pentaerythritol triacrylate

[0432] ・(B) 0.3 parts of the polymerization initiator described in Table 1

[0433] 24 parts of the dispersion containing (A) black pigment described in Table 1

[0434] ·Propylene glycol monomethyl ether acetate 10 parts

[0435] ·8 parts of cyclohexanone

[0436] 2. Manufacture and evaluation of shading film (shading area)

[0437] Each black polymerizable composition obtained above was coated on a glass wafer by spin coating, and heated on a hot plate at a temperatu...

example 6 to example 10 and comparative example 3

[0451] 1. Preparation of black polymerizable composition

[0452] The components of the following composition A-2 were mixed using a stirrer, thereby obtaining the black polymerizable compositions of Examples 6 to 10 and Comparative Example 3, respectively.

[0453] (Composition A-2)

[0454] ・(D) 2.5 parts of alkali-soluble binder polymer described in Table 2

[0455] (C) Polymerizable compound: dipentaerythritol hexaacrylate monomer modified with succinic acid

[0456] 2.0 copies

[0457] (C) Polymerizable compound: 2.0 parts of pentaerythritol triacrylate

[0458] 0.1 parts of 3-methacryloxypropyldimethoxymethylsilane

[0459] ・(B) 0.4 part of polymerization initiator described in Table 2

[0460] · 24 parts of dispersion liquid containing (A) black pigment described in Table 1

[0461] ·Propylene glycol monomethyl ether acetate 10 parts

[0462] ·8 parts of cyclohexanone

[0463] 2. Manufacture and evaluation of shading f...

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Abstract

The invention provides a black polymerizable composition having an excellent alkali developer resistance, a wafer level lens, and the like. The black polymerizable composition includes at least: (A) a black material; (B) a polymerization initiator; (C) a polymerizable compound; and (D) an alkali-soluble binder polymer having a weight average molecular weight of at least 30,000 and a polymerizable group at a side chain thereof.

Description

technical field [0001] The present invention relates to a black polymerizable composition comprising a specific alkali-soluble binder polymer, specifically for forming a light-shielding area of ​​a wafer level lens array (wafer level lens array) in which a plurality of lenses are arranged on a substrate A black polymerizable composition (black polymerizable composition) for (light-shielding region), and a method for manufacturing a black layer using the black polymerizable composition. Background technique [0002] Recently, compact and low-profile (thin) imaging units are mounted on mobile terminals of electronic instruments, such as mobile phones or Personal Digital Assistants (PDAs). These imaging units generally include solid-state imaging devices, such as charge coupled device (Charge Coupled Device, CCD) type image sensors or complementary metal oxide semiconductor (Complementary Metal-Oxide Semiconductor, CMOS) type image sensors, and are used in A lens that forms an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F290/12C08K3/22C08K5/10C08L101/02G02B5/00G02B7/02G03F7/004G03F7/038
CPCC08F291/12G02B3/0056G03F7/033G02B3/0031C08K5/0025C08K3/22G03F7/105G03F7/0388G02B3/0062B29D11/00298B29D11/00865C08F220/10
Inventor 嶋田和人村山哲
Owner FUJIFILM CORP
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