Decentralized solution of microscopic particles and circuit formation device

Abstract

Microscopic particle decentralized solution having microscopic particles with different diameters are decentralized, wherein: the microscopic particle decentralized solution has two peaks in a granularity distribution, at a large diameter and a small diameter; and microscopic particle mixtures satisfying the following relationships are decentralized in the solution;

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 schematically shows a conductive microscopic particle decentralized solution, including clusters, according to the present invention.

FIG. 2 schematically shows a conductive particle having low-molecular weight organic molecules shown in FIG. 1.

FIG. 3 schematically shows a large-diameter particle which is a cluster of small-diameter particles shown in FIG. 1.

FIG. 4 schematically shows a large-diameter particle having a layer of small-diameter particles on the surface shown in FIG. 1.

FIG. 5 schematically shows an embodiment of a circuit formation device according to the present invention.

Claims

1. Microscopic particle decentralized solution having microscopic particles with different diameters are decentralized, wherein: the microscopic particle decentralized solution has two peaks in a granularity distribution, at a large diameter and a small diameter; andmicroscopic particle mixtures satisfying the following relationships are decentralized in the solution; R>r and n>3.84×(R/r)3×N, where R is a large particle diameter, r is a small particle diameter, N is the number of large particles, and n is the number of small particle.

2. Microscopic particle decentralized solution according to claim 1, wherein the large diameter particle is a cluster of small diameter particles or the large diameter particle has a layer of small-diameter particles on the surface thereof.

3. Microscopic particle decentralized solution according to claim 1 and claim 2, wherein the large diameter particle and the small diameter particle are conductive.

4. Microscopic particle decentralized solution according to claim 1 to claim 3, wherein the diameter of the small diameter particle is 100 nm or less.

5. Microscopic particle decentralized solution according to claim 1 and claim 2, wherein a decentralizer layer is formed on the surface of the small diameter particle.

6. Microscopic particle decentralized solution according to claim 1, wherein the solvent of the decentralized solution is a nonpolar solvent.

7. A circuit formation device having an electrostatic latent image forming device for forming an electrostatic pattern on a dielectric thin film surface, a developing device for developing an electrostatic latent image formed by the electrostatic latent image forming device, a transfer device for transferring the image developed on the dielectric thin film to a board, and a fixing device for fixing the image, transferred onto the board, onto the board, wherein the developing device performs development by using as a developing solution a microscopic particle decentralized solution including conductive particles, which has two peaks in a granularity distribution at a large diameter and a small diameter.

8. A circuit formation device according to claim 7, wherein the developing device is provided with an ultrasonic wave emitting device for emitting ultrasonic waves into the microscopic particle decentralized solution.