Laser welded frit
US7604736B2 · kind B2 · utility
3Cited by
13References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2005 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Nov 9, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/565
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of forming a column (100 and 200) for use with an analytical chemical instrument. The method includes placing a frit (102 and 202) in proximity to a distal end (110 and 210) of a tube (104 and 204) having an internal bore (106 and 206) adapted to receive packing material (108 and 208) for selectively interacting with an analyte of interest in a sample. The method further includes laser welding the frit to the tube and inserting packing material within the internal bore of the tube. A column formed in accordance with this method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.