IP Library Granted Patent US 9,506,829
Granted Patent B2
US 9,506,829 · App. 14/310,881 · Granted Nov 29, 2016

Pressure sensors having low cost, small, universal packaging

Inventors: Tom T. Nguyen (San Jose, CA); Cuong D. Nguyen (San Jose, CA)
Assignee: DUNAN SENSING LLC
G01L19/0084G01L19/142
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,506,829
App. No.
14/310,881
Granted
Nov 29, 2016
Kind
B2
Abstract

Pressure sensor package that includes: a pressure sensor support attached to an interconnect housing which is attached to a compensation support; wherein: (a) a pressure sensor device is attached to the pressure sensor support and is electrically connected to pads disposed on the pressure sensor support; (b) compensation circuitry is attached to the compensation support and is electrically connected to pads disposed on the compensation support; (c) connectors disposed in through holes in a wall of the interconnect housing are electrically connected to the pads on the pressure sensor support and to the pads on the compensation support; and (d) a pressure port is disposed in the pressure sensor support.

Claims (40)

1. A pressure sensor package comprising:

a pressure sensor support attached to an interconnect housing which is attached to a compensation support; wherein:

a pressure sensor device is attached to the pressure sensor support and is electrically connected to pads disposed on the pressure sensor support;

compensation circuitry is attached to the compensation support and is electrically connected to pads disposed on the compensation support;

connectors disposed in through holes in a wall of the interconnect housing are electrically connected to the pads on the pressure sensor support and to the pads on the compensation support; and

a pressure port disposed in the pressure sensor package and extending through the pressure sensor package from an exterior to the pressure sensing device in an interior.

2. The pressure sensor package of claim 1 wherein the pressure port is disposed in the pressure sensor support.

3. The pressure sensor package of claim 1 wherein the pressure sensor support includes a cavity and the pressure sensor device is disposed in the cavity.

4. The pressure sensor package of claim 1 wherein the compensation support includes a cavity and at least a portion of the compensation circuitry is disposed in the cavity.

5. The pressure sensor package of claim 1 wherein the pressure sensor device comprises a MEMS sensor die.

6. The pressure sensor package of claim 1 wherein the compensation circuitry comprises an ASIC.

7. The pressure sensor package of claim 1 wherein the connectors are pogo pins.

8. The pressure sensor package of claim 1 wherein the connectors are solder pins.

9. The pressure package of claim 1 wherein the connectors are comprised of solder.

10. The pressure package of claim 1 wherein the pressure sensor support is planar.

11. The pressure package of claim 10 wherein the interconnect housing is annular.

12. The pressure package of claim 11 wherein the compensation support is planar.

13. The pressure package of claim 12 wherein the pressure sensor support, the interconnect housing and the compensation support each includes an alignment feature.

14. The pressure package of claim 13 wherein the pressure sensor device comprises a MEMS sensor device.

15. A pressure sensor package comprising:

a planar pressure sensor support with a top surface and a bottom surface and a first plurality of electrical interconnect pads on a periphery of the top surface;

a pressure sensing device coupled to the planar pressure sensor support and electrically connected to the first plurality of electrical interconnect pads;

a planar compensation support with a first top surface and a first bottom surface and a second plurality of electrical interconnect pads on a periphery of the first bottom surface;

compensation electronics disposed on the planar compensation support and in electrical communication with the second plurality of electrical interconnect pads;

an interconnect housing with a second top surface and a second bottom surface and a passage that runs through the interconnect housing from the top surface to the bottom surface and creates a periphery wall around the passage, wherein a plurality of holes extending through the periphery wall from the second top surface to the second bottom surface;

a plurality of electrical conductors disposed in the plurality of holes and extending from the second top surface to the second bottom surface; and

a pressure port extending through the pressure sensor package from an exterior to the pressure sensing device in an interior;

wherein, the first and second plurality of electrical interconnect pads and the plurality of holes are each arranged such that when the interconnect housing is assembled between the top surface of the planar pressure sensor support and the bottom surface of the planar compensation support, the pressure sensing device is placed in electrical communication with the compensation electronics via the plurality of electrical conductors.

16. The pressure sensor package of claim 15 , wherein the pressure port is disposed in the planar pressure sensor support and extends from the top surface to the bottom surface below the pressure sensing device.

17. The pressure sensor package of claim 15 , wherein the compensation circuitry comprises an ASIC.

18. The pressure package of claim 15 , wherein the electrical conductors are comprised of solder.

19. A pressure sensor package comprising:

a universal pressure sensing disc with a top surface and a bottom surface and a first plurality of electrical interconnect pads on a periphery of the top surface;

a pressure sensing device coupled to the universal pressure sensing disc and electrically connected to the plurality of electrical interconnect pads;

a customer specific compensation disc with a first top surface and a first bottom surface and a second plurality of electrical interconnect pads on a periphery of the first bottom surface;

compensation electronics disposed on the customer specific compensation disc and in electrical communication with the second plurality of electrical interconnect pads;

an interconnect housing with a second top surface and a second bottom surface, the interconnect housing coupled between the top surface of the universal pressure sensing disc and the first bottom surface of the customer specific compensation disc, wherein the interconnect housing has a passage that runs through the interconnect housing from the second top surface to the second bottom surface and creates a periphery wall around the passage;

a plurality of electrically conductive paths in the periphery wall of the interconnect housing wherein the electrically conductive paths electrically connect the first and second plurality of electrical interconnect pads; and

a pressure port extending through the pressure sensor package from an exterior to the pressure sensing device in an interior.

20. The pressure sensor package of claim 19 , wherein the pressure port is disposed in the universal pressure sensing disc and extends from the top surface to the bottom surface below the pressure sensing device.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2023
From: DUNAN SENSING TECHNOLOGY CO., LTD.
To: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Reel/Frame 062554/0854 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 7, 2021
From: DUNAN SENSING LLC
To: DUNAN SENSING TECHNOLOGY CO., LTD.
Reel/Frame 054850/0184 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 19, 2020
From: DUNAN SENSING, LLC
To: NGUYEN, TOM T.
Reel/Frame 053543/0329 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 21, 2015
From: MICROLUX TECHNOLOGY, INC.
To: DUNAN SENSING LLC
Reel/Frame 036394/0977 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 20, 2014
From: NGUYEN, TOM T.; NGUYEN, CUONG D.
To: MICROLUX TECHNOLOGY, INC.
Reel/Frame 033151/0921 →
Continuity (1)
Related Publication 20150369684A1 · Dec 24, 2015