Patent · US Active

Gas cell and coating method of gas cell

US9521958B2 · kind B2 · utility

12Cited by

11References

7Claims

0Family size

Assignee

SEIKO EPSON CORPORATION · JP

Inventors

Kimio Nagasaka · Nirasaki, JP
Shinobu Yokokawa · Nagano, JP

Key dates

Filing date	Feb 28, 2013
Grant date	Dec 20, 2016
Priority date	—
Expiry date	Mar 2, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/13
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A gas cell to be filled with alkali metal atoms includes wall surfaces formed using a compound having polar groups or a material containing the compound, a first coating layer as a coating layer that coats the inner walls, formed using first molecules having functional groups to be chemically bonded to the polar groups and non-polar groups, and a second coating layer formed using non-polar second molecules on the first coating layer.

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