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US4901203A Expired / Lapsed US ⏱️ 0.0 years remaining

Hybrid integrated circuit module assembly

Assignee: Mitsubishi Electric Corp
•
Filing: 1988-12-05
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Granted: 1990-02-13
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Expires: 2008-12-05
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Abstract

Abstract A hybrid integrated circuit module asssembly includes a conductive casing having at least a pair of inner surfaces facing each other, first and second insulating substrates mounted on the inner surfaces and facing each other, and first and second circuits which may be a power amplifier circuit and a driving circuit for driving the power amplifier circuit, the first and the second circuits being formed on the facing surfaces of the first and second insulating substrates, respectively.

Inventors

  • 👤 Tetsuo Kobayashi
  • 👤 Teruhisa Ohkawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 21:37
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/144; H05K7/00; H05K7/20; H05K7/2089; H05K7/209; H10; H10W; H10W90/00; H10W90/701; H10W90/751; H10W90/754

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 93 words
A hybrid integrated circuit module assembly comprising: an electrically conductive plate having opposed first and second surfaces; an electrically conductive cap including inner and outer surfaces, an opening, and a pair of flanges extending from said cap adjacent the opening wherein said cap is mechanically and electrically joined at said flanges to said first surface of said plate; first and second insulating substrates disposed inside said cap on said inner surface and said first surface, respectively; and first and second circuits disposed facing each other on said first and second insulating substrates, respectively.
Claim 2
Dependent Claim 93 words
A hybrid integrated circuit module assembly comprising: an electrically conductive plate having opposed first and second surfaces; an electrically conductive cap including inner and outer surfaces, an opening, and a pair of flanges extending from said cap adjacent the opening wherein said cap is mechanically and electrically joined at said flanges to said first surface of said plate; first and second insulating substrates disposed inside said cap on said inner surface and said first surface, respectively; and first and second circuits disposed facing each other on said first and second insulating substrates, respectively.
Claim 3
Dependent Claim 35 words
The hybrid integrated circuit module assembly according to claim 1 wherein said electrically conductive cap has notches and through holes through which leads of said first circuit and leads of said second circuit respectively extend.
Claim 4
Dependent Claim 31 words
The hybrid integrated circuit module assembly according to claim 1, wherein said electrically conducting cap includes at least one notch through which leads of said first and second circuits commonly extend.

References Cited (Backward Citations)

US4218724A Cited
JPS59225545A Cited
US4723196A Cited
US4716498A Cited
JPS61240643A Cited
US4823235A Cited
US4771365A Cited
US4811165A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-02-12 1993-08-14 1994-02-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-02-12 1997-08-14 1998-02-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-02-12 2001-08-14 2002-02-13 $7700.00 Window Closed / Lapsed

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