Package, in particular for MEMS devices and method of making same
First Claim
Patent Images
1. A package, comprising:
- a substrate provided with a passing opening;
a MEMS device mounted on the substrate comprising an active surface wherein a sensitive portion of said MEMS device is integrated and wherein said sensitive portion is sensitive to chemical/physical variations of a fluid;
wherein said active surface of said MEMS device faces said substrate and is spaced therefrom, said sensitive portion being aligned to said passing opening; and
a non-semiconductor protective package, which incorporates said MEMS device and said substrate, leaving at least said sensitive portion of said MEMS device exposed through said passing opening of said substrate.
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Abstract
A package includes a substrate provided with a passing opening and a MEMS device. The MEMS device includes an active surface wherein a portion of the MEMS device is integrated sensitive to the chemical/physical variations of a fluid. The active surface of the MEMS device faces the substrate and is spaced therefrom, the sensitive portion being aligned to the passing opening. A protective package incorporates the MEMS device and the substrate, leaving at least the sensitive portion of the MEMS device exposed through the passing opening of the substrate.
35 Citations
34 Claims
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1. A package, comprising:
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a substrate provided with a passing opening; a MEMS device mounted on the substrate comprising an active surface wherein a sensitive portion of said MEMS device is integrated and wherein said sensitive portion is sensitive to chemical/physical variations of a fluid; wherein said active surface of said MEMS device faces said substrate and is spaced therefrom, said sensitive portion being aligned to said passing opening; and a non-semiconductor protective package, which incorporates said MEMS device and said substrate, leaving at least said sensitive portion of said MEMS device exposed through said passing opening of said substrate. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 11, 12, 13, 14, 15, 19, 20, 21)
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7. A package, comprising:
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a substrate provided with a passing opening; a MEMS device mounted on the substrate comprising an active surface wherein a sensitive portion of said MEMS device is integrated and wherein said sensitive portion is sensitive to chemical/physical variations of a fluid; wherein said active surface of said MEMS device faces said substrate and is spaced therefrom, said sensitive portion being aligned to said passing opening; and a non-semiconductor protective package, which incorporates said MEMS device and said substrate, leaving at least said sensitive portion of said MEMS device exposed through said passing opening of said substrate, wherein electric connections which electrically couple said MEMS device to said substrate are present outside said sensitive portion, wherein said electric connections comprise bumps, wherein a peripheral portion of said active surface of said MEMS device is provided with connection pads, wherein an upper surface of said substrate facing said active surface of said MEMS device is provided with conductive lands, and wherein bumps are electrically connected between said conductive lands and said connection pads.
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10. A package, comprising:
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a substrate provided with a passing opening; a MEMS device comprising an active surface wherein a sensitive portion of said MEMS device is integrated and wherein said sensitive portion is sensitive to chemical/physical variations of a fluid; wherein said active surface of said MEMS device faces said substrate and is spaced therefrom, said sensitive portion being aligned to said passing opening; a protective package, which incorporates said MEMS device and said substrate, leaving at least said sensitive portion of said MEMS device exposed through said passing opening of said substrate; and wherein said substrate comprises an insulating core including conductive vias that project with respect to said insulating core in correspondence with an upper surface of said substrate facing said active surface of said MEMS device, said upper surface being free from welding masking layers, the electric connection between said MEMS device and said conductive vias being obtained through interposition of a layer of connection material.
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16. A package, comprising:
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a substrate provided with a passing opening; a MEMS device mounted on the substrate comprising an active surface wherein a sensitive portion of said MEMS device is integrated and wherein said sensitive portion is sensitive to chemical/physical variations of a fluid; wherein said active surface of said MEMS device faces said substrate and is spaced therefrom, said sensitive portion being aligned to said passing opening; and a non-semiconductor protective package, which incorporates said MEMS device and said substrate, leaving at least said sensitive portion of said MEMS device exposed through said passing opening of said substrate, the package further comprising integrated circuits mounted flanked or piled onto the MEMS device. - View Dependent Claims (17, 18)
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22. A package, comprising:
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a substrate comprising an insulating core and having a passing opening; a MEMS device comprising an active surface wherein a sensitive portion of said MEMS device is integrated and wherein said sensitive portion is sensitive to chemical/physical variations of a fluid; wherein said active surface of said MEMS device faces said substrate and is spaced therefrom, said sensitive portion being aligned to said passing opening; an integrated circuit comprising an active surface; wherein said active surface of said integrated circuit faces said substrate and is spaced therefrom; a protective package, which incorporates said integrated circuit and said substrate and said MEMS device, leaving at least said sensitive portion of said MEMS device exposed through said passing opening of said substrate; and conductive vias projecting with respect to said insulating core in correspondence with an upper surface of said substrate facing said active surface of said integrated circuit, said upper surface being free from masking layers at least in correspondence with said active surface, the electric connection between said integrated circuit and said conductive vias being obtained through interposition of a layer of connection material. - View Dependent Claims (23, 24, 25)
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26. An electronic device, comprising:
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a substrate including a passing opening; a die coupled to the substrate with a plurality of conductive lands, the die including an active surface and the active surface including a sensitive portion positioned adjacent the passing opening of the substrate and the die being configured to sense a physical parameter of a medium to which the sensitive portion is exposed through the passing opening; and a protective package housing the substrate and the die. - View Dependent Claims (27, 28, 29, 30, 31)
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32. An electronic system, comprising:
electronic circuitry including a sensor, the sensor including, a substrate including a passing opening; a die coupled to the substrate via at least one conductive structure, the die including an active surface and the active surface including a sensitive portion positioned adjacent the passing opening of the substrate and the die being configured to sense a physical parameter of a medium to which the sensitive portion is exposed through the passing opening; and a protective package housing the substrate and the die. - View Dependent Claims (33, 34)
Specification