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Electric circuit device and the manufacturing method

  • US 20080158824A1
  • Filed: 12/19/2007
  • Published: 07/03/2008
  • Est. Priority Date: 12/27/2006
  • Status: Active Grant
First Claim
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1. An electronic circuit device, comprising:

  • a lower-side substrate formed with a main circuit;

    an upper-side substrate formed with a drive control circuit that drivingly controls the main circuit;

    a support body positionally fixed above the lower-side substrate with resin in a hardened state; and

    a case having a peripheral portion with an outer surface that has at least a portion of an external lead-out terminal of the drive control circuit and the main circuit thereon, and a substrate storage space that accommodates the lower-side substrate on a side inward from the peripheral portion, wherein;

    the lower-side substrate is accommodated inside the substrate storage space in an arrangement where the upper-side substrate is positioned over at least a portion of the lower-side substrate,a space over the lower-side substrate is filled with a filling material that is formed from a resin, andthe upper-side substrate is supported and fixed by the support body.

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