IP Library Granted Patent US 7,442,615
Granted Patent B2
US 7,442,615 · App. 11/443,620 · Granted Oct 28, 2008

Semiconductor processing system and method

Assignee: Tegal Corporation
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Quick Facts
Patent No.
US 7,442,615
App. No.
11/443,620
Granted
Oct 28, 2008
Kind
B2
Abstract

Systems and methods are disclosed to perform semiconductor processing with a process chamber; a flash lamp adapted to be repetitively triggered; and a controller coupled to the control input of the flash lamp to trigger the flash lamp. The system can deploy a solid state plasma source in parallel with the flash lamp in wafer processing.

Claims (39)

1. A method to deposit a film in a processing chamber, comprising:

(a) introducing a first precursor to deposit a thin layer, the deposition process is not self-limiting wherein the deposition thickness increases with deposition time; and

(b) triggering a flash lamp to generate thermal energy and triggering a plasma source to generate a plasma energy to modify the deposited layer.

2. The method of claim 1 , further comprising a step (a1), after step (a), of:

(a1) purging the first precursor.

3. The method of claim 1 , wherein the step (b) further comprising the introduction of a second precursor.

4. The method of claim 3 , further comprising a step (b1) after step (b), of:

(b1) purging the second precursor.

5. The method of claim 1 , further comprising a plurality of the steps (a) and (b) until a desired film thickness is reached.

6. The method of claim 2 , further comprising a plurality of the steps (a) and (b) until a desired film thickness is reached.

7. The method of claim 4 , further comprising a plurality of the steps (a)-(b1) until a desired film thickness is reached.

8. The method of claim 1 , wherein the step (a) comprises using plasma energy in the deposition process.

9. The method of claim 1 , wherein the first precursor in step (a) comprises a CVD precursor.

10. The method of claim 3 , wherein the second precursor in step (b) comprises process gases, selected from a group consisting of nitrogen, oxygen, hydrogen, ammonia, NF 3 , silane, ozone, argon.

11. The method of claim 3 , wherein the second precursor in step (b) comprises a CVD precursor.

12. A method to deposit a film in a processing chamber, comprising:

(a) introducing a first precursor to deposit a thin layer, the deposition process is not self-limiting wherein the deposition thickness increases with deposition time; and

(b) introducing a second precursor comprising process gases selected from a group consisting of nitrogen, oxygen, hydrogen, ammonia, NF 3 , silane, ozone, argon; and

(c) either

triggering a flash lamp to generate thermal energy to modify the deposited layer; or

triggering a plasma source to generate a plasma energy to modify the deposited layer; or

triggering a flash lamp to generate thermal energy and triggering a plasma source to generate a plasma energy to modify the deposited layer.

13. The method of claim 12 , further comprising:

step (a1) after step (a) of purging the first precursor; and

step (c1) after step (c) of purging the second precursor.

14. The method of claim 12 , further comprising a plurality of the steps (a) through (c) until a desired film thickness is reached.

15. The method of claim 13 , further comprising a plurality of the steps (a) through (c1) until a desired film thickness is reached.

16. A method to deposit a film in a processing chamber, comprising:

(a) introducing a first precursor to deposit a thin layer, the deposition process is not self-limiting wherein the deposition thickness increases with deposition time;

(b) triggering a flash lamp to generate thermal energy; and

(c) triggering a plasma source to generate a plasma energy to modify the deposited layer;

wherein triggering the flash lamp and triggering the plasma source are performed either sequentially or contemporaneously.

17. The method of claim 16 , further comprising:

step (a1) after step (a), of purging the first precursor; and

step (a2) after step (a1) of introducing a second precursor,

step (b1) after step (b) of purging the second precursor.

18. The method of claim 16 , further comprising a plurality of the steps (a) through (c) until a desired film thickness is reached.

19. The method of claim 17 , further comprising a plurality of the steps (a) through (c) until a desired film thickness is reached.

20. The method of claim 17 , wherein the second precursor comprises one or more process gases selected from a group consisting of nitrogen, oxygen, hydrogen, ammonia, NF 3 , silane, ozone, and argon.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2012
From: TEGAL CORPORATION
To: ASM INTERNATIONAL N.V.
Reel/Frame 027596/0526 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 4, 2006
From: NGUYEN, TUE; NGUYEN, TAI DUNG; BERCAW, CRAIG ALAN
To: TEGAL CORPORATION
Reel/Frame 018379/0415 →
Continuity (3)
Continuation In Part 1040321100 · Apr 1, 2003
Division 0984034900 · Apr 21, 2001
Related Publication 20070020945A1 · Jan 25, 2007