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US 10,648,956 B2Granted
Gas chromatography columns with integrated ferrules
AssigneeThermo Finnigan LLC
InventorEdward B. McCauley
Life of this patent
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Abstract
A capillary column includes a fused silica tubing and a polyimide coating over the fusing silica tubing. Additionally, the capillary column further includes a first plurality of integrated ferrules positioned along at least a first portion of the fused silica tubing and spaced apart from one another by a first fixed interval.
Claims16
A capillary column comprising:
- a fused silica tubing;
- a polyimide coating over the fused silica tubing;
- and
- a first plurality of integrated ferrules positioned along at least a first portion of the fused silica tubing and spaced apart from one another by a first fixed interval, the first portion of the fused silica tubing is located at or near a first end of the capillary column.
1 more element
A method of manufacturing a capillary column, comprising:
- obtaining a polyimide coated fused silica tubing;
- and
- affixing a plurality of ferrules to the polyimide coated fused silica tubing at a fixed interval from one another and oriented to be used with a first end of the polyimide coated fused silica tubing.
Dependencies are inferred from the claim text.