All-silicon hermetic package and processing for narrow, low-profile microbatteries
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United States of America Patent
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Jan 23, 2018
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app pub date -
Feb 10, 2016
filing date -
Aug 7, 2015
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Abstract
A microbattery structure for hermetically sealed microbatteries is provided. In one embodiment, the microbattery structure includes a first silicon substrate containing at least one pedestal which houses a cathode material of a microbattery and at least one depression which houses A FIRST sealant material of the microbattery. The structure further includes a second silicon substrate containing at least one pedestal which houses an anode material of the microbattery and at least one depression which houses a second sealant material of the microbattery. An insulated centerpiece is bonded to the first sealant material present in at least two depressions on the first silicon substrate. An interlock structure is formed by aligning and superimposing the second silicon substrate on the first silicon substrate in a mortise and tenon fashion and sealing the two substrates using a high force.
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