JPS563673A - Manufacture of enameled substrate - Google Patents
Manufacture of enameled substrateInfo
- Publication number
- JPS563673A JPS563673A JP7629579A JP7629579A JPS563673A JP S563673 A JPS563673 A JP S563673A JP 7629579 A JP7629579 A JP 7629579A JP 7629579 A JP7629579 A JP 7629579A JP S563673 A JPS563673 A JP S563673A
- Authority
- JP
- Japan
- Prior art keywords
- enamel
- substrate
- frit
- addition
- alumina
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Glass Compositions (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
Abstract
PURPOSE: To manufacture an enameled substrate suitable for an electronic circuit, by addition of a crystalline metallic oxide of high m.p., which does not melt with an enamel frit, to the enamel frit in a prescribed ratio, then by painting and calcining the mixture.
CONSTITUTION: To 100pts.wt. enamel frit is added 3W20pts.wt. crystalline, high melting metallic oxide, for example, alumina, silica, barium titanate etc., which does not melt with the frit, and the mixture is painted on a metallic material and is calcined. For example, a steel sheet for enameled substrate is cleaned at the surface, and enamel slip made by addition of alumina powder to the enamel frit is sprayed on the substrate 5 by means of a spray gun etc. to form coating and is calcined thereby forming an enamel layer. Addition of alumina increases the viscosity of the molten slip, hence formation of sink in calcining, protuberance at the edge part, and heat crack of the coating is prevented. No deformation is caused by printing the substrate with circuit paste and by calcination. Preferable mean particle size of the above-described oxide is about 6μ.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7629579A JPS563673A (en) | 1979-06-19 | 1979-06-19 | Manufacture of enameled substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7629579A JPS563673A (en) | 1979-06-19 | 1979-06-19 | Manufacture of enameled substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS563673A true JPS563673A (en) | 1981-01-14 |
Family
ID=13601352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7629579A Pending JPS563673A (en) | 1979-06-19 | 1979-06-19 | Manufacture of enameled substrate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS563673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690855A (en) * | 1983-12-28 | 1987-09-01 | Kawasaki Steel Corporation | Substrate for print circuit board, a print circuit board, and method of manufacturing the same |
| JP2016535714A (en) * | 2013-08-05 | 2016-11-17 | ネマク, ソシエダ アノニマ ブルサーティリ デ カピタル バリアブレNemak, S.A.B. de C.V. | Enamel powder, metal component having a surface portion provided with an enamel coating, and method for producing such metal component |
-
1979
- 1979-06-19 JP JP7629579A patent/JPS563673A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690855A (en) * | 1983-12-28 | 1987-09-01 | Kawasaki Steel Corporation | Substrate for print circuit board, a print circuit board, and method of manufacturing the same |
| JP2016535714A (en) * | 2013-08-05 | 2016-11-17 | ネマク, ソシエダ アノニマ ブルサーティリ デ カピタル バリアブレNemak, S.A.B. de C.V. | Enamel powder, metal component having a surface portion provided with an enamel coating, and method for producing such metal component |
| US10047003B2 (en) | 2013-08-05 | 2018-08-14 | Nemak, S.A.B. De C.V. | Enamel powder, metal component having a surface section provided with an enamel coating and method for manufacturing such a metal component |
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