Methods and applications of non-planar imaging arrays

Patent metadata

Field	Value
Publication number	US-9704908-B2
Application number	US-201514812197-A
Country	US
Kind code	B2
Filing date	Jul 29, 2015
Priority date	Oct 7, 2008
Publication date	Jul 11, 2017
Grant date	Jul 11, 2017

Abstract

System, devices and methods are presented that provide an imaging array fabrication process method, comprising fabricating an array of semiconductor imaging elements, interconnecting the elements with stretchable interconnections, and transfer printing the array with a pre-strained elastomeric stamp to a secondary non-planar surface.

First claim

What is claimed is:

1. A flexible planar imaging array, comprising:
a plurality of semiconductor imaging elements;
at least one stretchable interconnect, the at least one stretchable interconnect coupling at least one semiconductor imaging element of the plurality of semiconductor imaging elements to another semiconductor imaging element.

2. The imaging array of claim 1 , wherein the semiconductor is a single-crystalline semiconductor.

3. The imaging array of claim 1 , wherein the semiconductor is a non-single crystal silicon material used for photo-detection.

4. The imaging array of claim 3 , wherein the material is at least one of amorphous silicon material, polycrystalline silicon material, single-crystal silicon material, conductive oxide material, organic material or carbon nano-tube material.

5. The imaging array of claim 1 , wherein one of the semiconductor imaging elements includes at least one imaging pixel and support electronics for controlling and reading out image data from the at least one imaging pixel.

6. The imaging array of claim 1 , wherein light impinges either the front-side of the semiconductor imaging elements or the back-side of the semiconductor imaging elements.

7. The imaging array of claim 6 , wherein the semiconductor imaging elements including a color filter on the backside or the frontside of the semiconductor imaging elements.

8. The imaging array of claim 7 , wherein the color filter allow color image capabilities.

9. The imaging array of claim 1 , further comprising a curved package holding the plurality of semiconductor imaging elements.

10. The imaging array of claim 9 , wherein the packaging is a chip scale packaging.

11. The imaging array of claim 9 , wherein the packaging is a ball grid array.

12. The imaging array of claim 1 , wherein the semiconductor imaging elements are arranged as sensor islands.

13. The imaging array of claim 12 , wherein the sensor islands include at least one pixel per sensor island.

14. The imaging array of claim 12 , wherein the sensor islands are comprised of more than one pixel per sensor island.

15. The imaging array of claim 12 , wherein at least one of the sensor islands include support electronics.

16. The imaging array of claim 1 , wherein the imaging array is shaped in symmetrical nonplanar geometry.

17. A flexible planar imaging array system, comprising:
a plurality of semiconductor imaging elements, each of the semiconductor imaging elements fabricated on an imaging die;
an image data processing die; and
a plurality of stretchable interconnects, each of the stretchable interconnects coupling one of the semiconductor imaging elements to the image data processing die.

Assignees

• Mc10 Inc

Inventors

• Graff Bassel De
• Callsen Gilman
• Arora William J
• Ghaffari Roozbeh

Classifications

• H10W90/10

  Configurations of laterally-adjacent chips · CPC title

• H10W70/093

  Connecting or disconnecting other interconnections thereto or therefrom, e.g. connecting bond wires or bumps · CPC title

• H10W70/60

  Insulating or insulated package substrates; Interposers; Redistribution layers (leadframes H10W70/40) · CPC title

• A61B1/04

  combined with photographic or television appliances · CPC title

• A61B5/01

  Measuring temperature of body parts {; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue} (clinical contact thermometers G01K13/20) · CPC title