Patent · US Active

Method for producing infrared ZnS domes

US9559411B2 · kind B2 · utility

0Cited by

6References

5Claims

0Family size

Assignee

Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences · CN

Inventors

Xiaojian MAO · Shanghai, CN
Baoyan Chai · Shanghai, CN
Long Zhang · Hunan, CN
Benxue Jiang · Shanghai, CN
Qiang Yuan · Shanghai, CN
Junxi Xie · Shanghai, CN

Key dates

Filing date	Nov 23, 2015
Grant date	Jan 31, 2017
Priority date	—
Expiry date	Nov 23, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2235/9653
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for producing infrared ZnS domes comprises forming green body by CIP and sintering by hot pressing. In the present invention, the pressure transfers through inert particles hence distributes uniformly while the shape of the dome is controlled by a lower punch head. The ZnS ceramic domes produced by the method of the present invention are of uniform infrared properties with high yield.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.