Title:
FORMATION METHOD OF HIGH-PERFORMANCE SELECTIVE ABSORPTION TREATMENT FILM
Document Type and Number:
Japanese Patent JP2014141715
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a formation method of a selective absorption plane of a solar heat utilizing collector capable of forming the selective absorption plane having excellent heat collection characteristic on the surface of a metal substrate, and to provide a selective absorption treatment film formed thereby.SOLUTION: In a formation method of a selective absorption plane, which is a method for forming a selective absorption plane on the surface of a metal substrate by dipping the metal substrate into a chemical conversion treatment liquid containing sulfuric acid and sodium dichromate or chromic anhydride, the chemical conversion treatment liquid contains a metal salt of oxo acid or hydrohalic acid.
Inventors:
KURODA JUN
MATSUMOTO TORU
TANIO YOSHINORI
MATSUMOTO TORU
TANIO YOSHINORI
Application Number:
JP2013011219A
Publication Date:
August 07, 2014
Filing Date:
January 24, 2013
Export Citation:
Assignee:
YAZAKI ENERGY SYSTEM CORP
International Classes:
C23C22/30; F24J2/48
Domestic Patent References:
| JPS61174382A | 1986-08-06 | |||
| JPS58200954A | 1983-11-22 | |||
| JPS52145346A | 1977-12-03 | |||
| JPS4913704B1 | 1974-04-02 | |||
| JPS6176685A | 1986-04-19 | |||
| JPH03134180A | 1991-06-07 | |||
| JPS51120939A | 1976-10-22 | |||
| JPS5061394A | 1975-05-26 | |||
| JPS57101257A | 1982-06-23 | |||
| JPS60248884A | 1985-12-09 | |||
| JPS62155471A | 1987-07-10 | |||
| JPS61174382A | 1986-08-06 | |||
| JPS58200954A | 1983-11-22 | |||
| JPS52145346A | 1977-12-03 | |||
| JPS4913704B1 | 1974-04-02 | |||
| JPS6176685A | 1986-04-19 | |||
| JPH03134180A | 1991-06-07 | |||
| JPS51120939A | 1976-10-22 | |||
| JPS5061394A | 1975-05-26 |
Foreign References:
| US4087288A | 1978-05-02 | |||
| US4071416A | 1978-01-31 | |||
| US4087288A | 1978-05-02 | |||
| US4071416A | 1978-01-31 |
Attorney, Agent or Firm:
Hironori Honda
Kiharu Masaharu
Kiharu Masaharu