Ceramic pressure measuring cell and method for its manufacture

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United States of America Patent

PATENT NO 9816887
SERIAL NO

14004228

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Abstract

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A method for manufacturing a pressure measuring cell, which has a ceramic platform and a ceramic measuring membrane, wherein the measuring membrane is joined with the platform pressure tightly by an active hard solder, or braze, wherein the method includes: providing the platform, the measuring membrane and the active hard solder, or braze, positioning the active hard solder, or braze, between the platform and the measuring membrane; melting the active hard solder, or braze, by irradiating the active hard solder, or braze, by a laser, wherein the irradiating of the active hard solder, or braze, occurs through the measuring membrane; and letting the active hard solder, or braze, solidify by cooling.

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Patent Owner(s)

Patent OwnerAddress
ENDRESS + HAUSER GMBH + CO KGHAUPTSTR 1 MAULBURG 79689

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berlinger, Andrea Baden-Baden, DE 6 28
Drewes, Ulfert Mullheim, DE 32 302
Rossberg, Andreas Bad Sackingen, DE 44 245
Schmidt, Elke Bad Sackingen, DE 40 266
Uehlin, Thomas Schopfheim, DE 39 186

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