IP Library Granted Patent US 11,121,035
Granted Patent B2
US 11,121,035 · App. 15/986,460 · Granted Sep 14, 2021

Semiconductor substrate processing methods

Inventor: Michael J. Seddon (Gilbert, AZ)
Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
H01L21/78H01L21/0475H01L29/1608
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Quick Facts
Patent No.
US 11,121,035
App. No.
15/986,460
Granted
Sep 14, 2021
Kind
B2
Abstract

Implementations of a method of forming a plurality of semiconductor devices on a semiconductor substrate may include: providing a semiconductor substrate having a first surface, a second surface, a size, and a thickness where the second surface opposes the first surface and the thickness is between the first surface and the second surface. The method may include processing the semiconductor substrate through a plurality of semiconductor device fabrication processes to form a plurality of semiconductor devices on the first surface. The thickness may be between 100 microns and 575 microns and the size may be 150 mm. The semiconductor substrate may not be coupled with a carrier or support.

Claims (42)

1. A method of forming a plurality of semiconductor devices on a semiconductor substrate, the method comprising:

providing a semiconductor substrate comprising a first surface, a second surface, a size, and a thickness where the second surface opposes the first surface and the thickness is between the first surface and the second surface; and

processing the semiconductor substrate through a plurality of semiconductor device fabrication processes to form a plurality of semiconductor devices on the first surface;

wherein the thickness is between 70 microns and 500 microns and the size is 100 millimeters; and

wherein the semiconductor substrate is not coupled with one of a carrier and a support.

2. The method of claim 1 , further comprising backgrinding the second surface of the semiconductor substrate to reduce the thickness to a desired value.

3. The method of claim 1 , further comprising singulating the semiconductor substrate to singulate the plurality of semiconductor devices.

4. The method of claim 1 , further comprising not backgrinding the second surface of the semiconductor substrate.

5. The method of claim 1 , wherein providing the semiconductor substrate further comprises:

forming the semiconductor substrate from a boule; and

one of grinding and polishing one of the first surface and the second surface of the semiconductor substrate to thin the thickness to between 70 microns and 500 microns.

6. The method of claim 1 , wherein providing the semiconductor substrate further comprises:

forming the semiconductor substrate from a boule with the thickness between 70 microns and 500 microns; and

one of grinding and polishing one of the first surface and the second surface to not substantially thin the thickness.

7. The method of claim 1 , wherein the thickness is between 70 microns and 500 microns during each of the plurality of semiconductor device fabrication processes.

8. A method of forming a plurality of semiconductor devices on a semiconductor substrate, the method comprising:

providing a semiconductor substrate comprising a first surface, a second surface, a size, and a thickness where the second surface opposes the first surface and the thickness is between the first surface and the second surface; and

processing the semiconductor substrate through a plurality of semiconductor device fabrication processes to form a plurality of semiconductor devices on the first surface;

wherein the thickness is between 100 microns and 575 microns and the size is 150 millimeters; and

wherein the semiconductor substrate is not coupled with one of a carrier and a support.

9. The method of claim 8 , further comprising backgrinding the second surface of the semiconductor substrate to reduce the thickness to a desired value.

10. The method of claim 8 , further comprising singulating the semiconductor substrate to singulate the plurality of semiconductor devices.

11. The method of claim 8 , further comprising not backgrinding the second surface of the semiconductor substrate.

12. The method of claim 8 , wherein providing the semiconductor substrate further comprises:

forming the semiconductor substrate from a boule; and

one of grinding and polishing one of the first surface and the second surface of the semiconductor substrate to thin the thickness to between 100 microns and 575 microns.

13. The method of claim 8 , wherein providing the semiconductor substrate further comprises:

forming the semiconductor substrate from a boule with the thickness between 100 microns and 575 microns; and

one of grinding and polishing one of the first surface and the second surface to not substantially thin the thickness.

14. The method of claim 8 , wherein the thickness is between 100 microns and 575 microns during each of the plurality of semiconductor device fabrication processes.

15. A method of forming a plurality of semiconductor devices on a semiconductor substrate, the method comprising:

providing a semiconductor substrate comprising a first surface, a second surface, a size, and a thickness where the second surface opposes the first surface and the thickness is between the first surface and the second surface; and

processing the semiconductor substrate through a plurality of semiconductor device fabrication processes to form a plurality of semiconductor devices on the first surface;

wherein the thickness is between 120 microns and 600 microns and the size is 200 millimeters; and

wherein the semiconductor substrate is not coupled with one of a carrier and a support.

16. The method of claim 15 , further comprising backgrinding the second surface of the semiconductor substrate to reduce the thickness to a desired value.

17. The method of claim 15 , further comprising singulating the semiconductor substrate to singulate the plurality of semiconductor devices.

18. The method of claim 15 , further comprising not backgrinding the second surface of the semiconductor substrate.

19. The method of claim 15 , wherein providing the semiconductor substrate further comprises:

forming the semiconductor substrate from a boule; and

one of grinding and polishing one of the first surface and the second surface of the semiconductor substrate to thin the thickness to between 120 microns and 600 microns.

20. The method of claim 15 , wherein the thickness is between 120 microns and 600 microns during each of the plurality of semiconductor device fabrication processes.

Assignments (3)
RELEASE OF SECURITY INTEREST IN PATENTS RECORDED AT REEL 047864, FRAME 0611 Recorded Jun 23, 2023
From: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
To: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC; FAIRCHILD SEMICONDUCTOR CORPORATION
Reel/Frame 064077/0298 →
PATENT SECURITY AGREEMENT Recorded Oct 16, 2018
From: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC; FAIRCHILD SEMICONDUCTOR CORPORATION
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 047864/0611 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 22, 2018
From: SEDDON, MICHAEL J.
To: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
Reel/Frame 045875/0401 →
Continuity (1)
Related Publication 20190363016A1 · Nov 28, 2019