Title:
SURFACE FINISHING METHOD FOR HEATER IN OVEN FOR DRAWING OPTICAL FIBER
Document Type and Number:
Japanese Patent JPS61222938
Kind Code:
A
Abstract:
The method of surfacing the heater of a furnace for optical fibre drawing allows elimination of defects in the inner heater surface, which defects give rise to particle emission towards the preform. This is achieved by depositing a thin layer of a mixture of oxides compatible with the material composing the heater.
Inventors:
JIAKOMO ROOBA
Application Number:
JP5516086A
Publication Date:
October 03, 1986
Filing Date:
March 14, 1986
Export Citation:
Assignee:
CSELT CENTRO STUDI LAB TELECOM
International Classes:
C03B37/029; C03B37/08; H05B6/02; H05B6/62; (IPC1-7): C03B37/08
Domestic Patent References:
| JPS5551859A | 1980-04-15 | |||
| JPS6014783A | 1985-01-25 | |||
| JPS5939784A | 1984-03-05 | |||
| JPS57200274A | 1982-12-08 | |||
| JPS55113681A | 1980-09-02 | |||
| JPS5735148A | 1982-02-25 | |||
| JPS5337559A | 1978-04-06 |
Attorney, Agent or Firm:
Kawahara Kazuho