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US 7,395,719 B2Granted
Preformed sensor housings and methods to produce thin metal diaphragms
AssigneeCustom Sensors & Technologies, Inc.
InventorsMarcos Nassar, Scott McDaniel
Life of this patent
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Abstract
A preformed sensor housing including a conduit having an inside; a plug disposed within the conduit; and a deposit covering a portion of the plug and a portion of the conduit. A method is also disclosed for creating a thin film diaphragm on a housing including the step of inserting a sacrificial element into the housing; depositing a diaphragm material onto the sacrificial element and the housing; and removing the sacrificial element.
Claims17
A sensor tip assembly comprising:
- a housing having an interior;
- a sacrificial element disposed in the housing, wherein a first portion of the sacrificial element is disposed in the housing interior and a second portion of the sacrificial element extends outside of the housing, wherein the second portion has a shaped surface;
- and
- a diaphragm attached to the housing and attached to the second portion of the sacrificial element, the diaphragm including a side wall portion, the side wall portion of the diaphragm comprising a patterned surface that is formed on the shaped surface of the sacrificial element.
1 more element
A method comprising:
- providing a housing having an interior and an opening therein;
- inserting a plug in the housing such that a first portion of the plug is inside the housing and a second portion of the plug extends through the opening and outside the housing;
- forming a cover over the second portion of the plug and at least a portion of the housing, the cover attached to the housing and the second portion of the plug;
- and
- removing the entire plug, whereby the cover is still attached to the housing, thereby forming a chamber.
2 more elements
Dependencies are inferred from the claim text.