US Patent Application 18318612. MEMS THERMOELECTRIC GENERATOR, MANUFACTURING PROCESS OF THE GENERATOR AND HEATING SYSTEM COMPRISING THE GENERATOR simplified abstract

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MEMS THERMOELECTRIC GENERATOR, MANUFACTURING PROCESS OF THE GENERATOR AND HEATING SYSTEM COMPRISING THE GENERATOR

Organization Name

STMICROELECTRONICS S.r.l.

Inventor(s)

Paolo Ferrari of Gallarate (IT)

Flavio Francesco Villa of Milano (IT)

Marco Del Sarto of Monza (IT)

MEMS THERMOELECTRIC GENERATOR, MANUFACTURING PROCESS OF THE GENERATOR AND HEATING SYSTEM COMPRISING THE GENERATOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 18318612 titled 'MEMS THERMOELECTRIC GENERATOR, MANUFACTURING PROCESS OF THE GENERATOR AND HEATING SYSTEM COMPRISING THE GENERATOR

Simplified Explanation

The patent application describes a MEMS thermoelectric generator that includes a thermoelectric cell, a thermoplastic layer, a heat sink, and a thermal via.

  • The thermoelectric cell has thermoelectric elements that partially extend on a cavity within the cell.
  • The thermoplastic layer is made of thermally insulating material and is processed using laser direct structuring (LDS) technique.
  • The heat sink is designed to exchange heat with the thermoelectric cell, with the thermoplastic layer in between.
  • A thermal via made of metal material extends through the thermoplastic layer, superimposed on the cavity of the thermoelectric cell.
  • The thermoelectric cell can exchange heat with a thermal source through the thermal via.


Original Abstract Submitted

MEMS thermoelectric generator comprising: a thermoelectric cell including one or more thermoelectric elements partially extending on a cavity of the thermoelectric cell; a thermoplastic layer extending on the thermoelectric cell and having a top surface and a bottom surface opposite to each other along a first axis, the bottom surface facing the thermoelectric cell and the thermoplastic layer being of thermally insulating material and configured to be processed through laser direct structuring, LDS, technique; a heat sink configured to exchange heat with the thermoelectric cell interposed, along the first axis, between the heat sink and the thermoplastic layer; and a thermal via of metal material, extending through the thermoplastic layer from the top surface to the bottom surface so that it is superimposed, along the first axis, on the cavity, wherein the thermoelectric cell may exchange heat with a thermal source through the thermal via.

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