Method of adjusting a gas sensor
US5064693A · kind A · utility
12Cited by
8References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1989 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | Oct 11, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/4073
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of treating a porous body in a gas concentration sensor to regulate the gas diffusion. The porous body is impregnated with a impregnant containing a component that adheres to or binds with the pore surfaces. The component may be a metal salt, examples of which are Al(NO.sub.3).sub.3, CaCl.sub.2 and H.sub.2 PtCl.sub.2. A colloidal solution may be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.