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Laser-assisted silicide fuse programming

Assignee: Advanced Micro Devices Inc
•
Filing: 2001-05-24
•
Granted: 2003-08-19
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Expires: 2021-05-24
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Abstract

Abstract A method is provided, the method comprising programming a silicide fuse by passing a current through the silicide fuse while substantially simultaneously irradiating the silicide fuse with a laser.

Inventors

  • 👤 Ting Yiu Tsui

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 19:43
CPC Classifications
H; H10; H10W; H10W20/00; H10W20/40; H10W20/49; H10W20/493; H10W20/494

Claims Analysis

Total Claims: 37
Claim 1
Independent Claim 25 words
A method comprising: programming a silicide fuse by passing a current through the silicide fuse while substantially simultaneously irradiating the silicide fuse with a laser.
Claim 2
Independent Claim 25 words
A method comprising: programming a silicide fuse by passing a current through the silicide fuse while substantially simultaneously irradiating the silicide fuse with a laser.
Claim 3
Dependent Claim 29 words
The method of claim 1 , wherein passing the current through the silicide fuse comprises subjecting the silicide fuse to a voltage of no more than about 2 V.
Claim 4
Dependent Claim 32 words
The method of claim 1 , wherein irradiating the suicide fuse with the laser comprises irradiating the suicide fuse with a laser energy substantially equal to or greater than about 0.475 microJoules.
Claim 5
Dependent Claim 32 words
The method of claim 2 , wherein irradiating the suicide fuse with the laser comprises irradiating the silicide fuse with a laser energy substantially equal to or greater than about 0.475 microJoules.
Claim 6
Dependent Claim 23 words
The method of claim 1 , wherein irradiating the silicide fuse with the laser comprises irradiating the silicide fuse with a pulsed laser.
Claim 7
Dependent Claim 39 words
The method of claim 5 , wherein irradiating the silicide fuse with the pulsed laser comprises irradiating the silicide fuse with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 8
Dependent Claim 23 words
The method of claim 2 , wherein irradiating the silicide fuse with the laser comprises irradiating the silicide fuse with a pulsed laser.
Claim 9
Dependent Claim 39 words
The method of claim 7 , wherein irradiating the silicide fuse with the pulsed laser comprises irradiating the silicide fuse with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 10
Dependent Claim 48 words
The method of claim 3 , wherein irradiating the silicide fuse with the laser energy substantially equal to or greater than about 0.475 microJoules comprises irradiating the silicide fuse with a pulsed laser capable of providing a laser energy substantially equal to or greater than about 0.475 microJoules.
Claim 11
Dependent Claim 54 words
The method of claim 9 , wherein irradiating the silicide fuse with the pulsed laser comprises irradiating the silicide fuse with the pulsed laser capable of providing the laser energy substantially equal to or greater than about 0.475 microJoules for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 12
Independent Claim 40 words
A method comprising: programming a plurality of silicide fuses by passing a current through at least one of the plurality of silicide fuses while substantially simultaneously irradiating the at least one of the plurality of silicide fuses with a laser.
Claim 13
Independent Claim 40 words
A method comprising: programming a plurality of silicide fuses by passing a current through at least one of the plurality of silicide fuses while substantially simultaneously irradiating the at least one of the plurality of silicide fuses with a laser.
Claim 14
Dependent Claim 43 words
The method of claim 11 , wherein passing the current through the at least one of the plurality of silicide fuses comprises subjecting the at least one of the plurality of silicide fuses to a voltage of no more than about 2 V.
Claim 15
Dependent Claim 55 words
The method of claim 11 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of suicide fuses with a laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules.
Claim 16
Dependent Claim 55 words
The method of claim 12 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules.
Claim 17
Dependent Claim 37 words
The method of claim 11 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a pulsed laser.
Claim 18
Dependent Claim 53 words
The method of claim 15 , wherein irradiating the at least one of the plurality of silicide fuses with the pulsed laser comprises irradiating the at least one of the plurality of silicide fuses with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 19
Dependent Claim 37 words
The method of claim 12 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a pulsed laser.
Claim 20
Dependent Claim 53 words
The method of claim 17 , wherein irradiating the at least one of the plurality of silicide fuses with the pulsed laser comprises irradiating the at least one of the plurality of silicide fuses with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 21
Dependent Claim 80 words
The method of claim 13 , wherein irradiating the at least one of the plurality of silicide fuses with the laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules comprises irradiating the at least one of the plurality of silicide fuses with a pulsed laser capable of providing a laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules.
Claim 22
Dependent Claim 53 words
The method of claim 19 , wherein irradiating the at least one of the plurality of silicide fuses with the pulsed laser comprises irradiating the at least one of the plurality of silicide fuses with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 23
Independent Claim 63 words
A method comprising: forming a plurality of semiconductor devices; forming a plurality of silicide fuses between at least some of the plurality of semiconductor devices; and programming the plurality of silicide fuses by passing a current through at least one of the plurality of silicide fuses while substantially simultaneously irradiating the at least one of the plurality of silicide fuses with a laser.
Claim 24
Independent Claim 63 words
A method comprising: forming a plurality of semiconductor devices; forming a plurality of silicide fuses between at least some of the plurality of semiconductor devices; and programming the plurality of silicide fuses by passing a current through at least one of the plurality of silicide fuses while substantially simultaneously irradiating the at least one of the plurality of silicide fuses with a laser.
Claim 25
Dependent Claim 43 words
The method of claim 21 , wherein passing the current through the at least one of the plurality of silicide fuses comprises subjecting the at least one of the plurality of silicide fuses to a voltage of no more than about 2 V.
Claim 26
Dependent Claim 55 words
The method of claim 21 , wherein irradiating the at least one of the plurality of suicide fuses with the laser comprises irradiating the at least one of the plurality of suicide fuses with a laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules.
Claim 27
Dependent Claim 55 words
The method of claim 22 , wherein irradiating the at least one of the plurality of suicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules.
Claim 28
Dependent Claim 37 words
The method of claim 21 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a pulsed laser.
Claim 29
Dependent Claim 53 words
The method of claim 25 , wherein irradiating the at least one of the plurality of silicide fuses with the pulsed laser comprises irradiating the at least one of the plurality of silicide fuses with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 30
Dependent Claim 37 words
The method of claim 22 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a pulsed laser.
Claim 31
Dependent Claim 53 words
The method of claim 27 , wherein irradiating the at least one of the plurality of silicide fuses with the pulsed laser comprises irradiating the at least one of the plurality of silicide fuses with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 32
Dependent Claim 61 words
The method of claim 23 , wherein irradiating the at least one of the plurality of silicide fuses with the laser comprises irradiating the at least one of the plurality of silicide fuses with a pulsed laser capable of providing a laser energy substantially equal to or greater than about 0.475 microJoules and substantially equal to or less than 1.6 microJoules.
Claim 33
Dependent Claim 53 words
The method of claim 29 , wherein irradiating the at least one of the plurality of suicide fuses with the pulsed laser comprises irradiating the at least one of the plurality of silicide fuses with the pulsed laser for a time period in a range of about 1 microsecond to about 2 seconds.
Claim 34
Dependent Claim 42 words
The method of claim 3 , wherein irradiating the silicide fuse with the laser energy substantially equal to or greater than about 0.475 microJoules further comprises irradiating the silicide fuse with the laser energy substantially equal to or less than 1.6 microJoules.
Claim 35
Dependent Claim 42 words
The method of claim 4 , wherein irradiating the suicide fuse with the laser energy substantially equal to or greater than about 0.475 microJoules further comprises irradiating the silicide fuse with the laser energy substantially equal to or less than 1.6 microJoules.
Claim 36
Dependent Claim 54 words
The method of claim 9 , wherein irradiating the silicide fuse with a pulsed laser capable of providing the laser energy substantially equal to or greater than about 0.475 microJoules further comprises irradiating the silicide fuse with a pulsed laser capable of providing the laser energy substantially equal to or less than 1.6 microJoules.
Claim 37
Dependent Claim 84 words
The method of claim 10 , wherein irradiating the silicide fuse with the pulsed laser capable of providing the laser energy substantially equal to or greater than about 0.475 microJoules for a time period in a range of about 1 microsecond to about 2 seconds further comprises irradiating the silicide fuse with the pulsed laser capable of providing the laser energy substantially equal to or less than 1.6 microJoules for a time period in a range of about 1 microsecond to about 2 seconds.

References Cited (Backward Citations)

US4535219A Cited
US5389814A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-08-18 2007-02-17 2007-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-08-18 2011-02-17 2011-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-08-18 2015-02-17 2015-08-19 $7700.00 Window Closed / Lapsed

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