peel-strength test results_appendix d

15
Peel-Strength Test results of PV cells soldered with Sn-3.0Ag-0.5Cu Ribbon Appendix D 94 | Page Figure C-1: Sample 03 Soldered at 360°C (a) 03-A Front Maximum Load = 0.502 N Failure mode Paste peel-off, Wafer breakage (b) 03-A Back Maximum Load = 0.402 N Failure mode Wafer breakage (c) 03-B Front Maximum Load = 0.268 N Failure mode Paste peel-off (d) 03-B Back Maximum Load = 0.691 N Failure mode Paste peel-off, Wafer breakage

Upload: vignesh-subramaniam

Post on 26-Dec-2014

110 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 94 | P a g e

Figure C-1: Sample 03 – Soldered at 360°C

(a) 03-A Front

Maximum Load = 0.502 N

Failure mode – Paste peel-off, Wafer breakage

(b) 03-A Back

Maximum Load = 0.402 N

Failure mode – Wafer breakage

(c) 03-B Front

Maximum Load = 0.268 N

Failure mode – Paste peel-off

(d) 03-B Back

Maximum Load = 0.691 N

Failure mode – Paste peel-off, Wafer breakage

Page 2: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 95 | P a g e

(a) 04-A Front

Maximum Load = 0.712 N

Failure mode – Wafer breakage

(b) 04-A Back

Maximum Load = 0.317 N

Failure mode – Wafer breakage

(c) 04-B Front

Maximum Load = 0.441 N

Failure mode – Wafer chipping, Wafer breakage

(d) 04-B Back

Maximum Load = 0.709 N

Failure mode – Wafer chipping, Wafer breakage

Figure C-2: Sample 04 – Soldered at 360°C

Page 3: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 96 | P a g e

(a) D9-3-A Front

Maximum Load = 1.588 N

Failure mode – Paste peel-off, Wafer chipping

(b) D9-3-A Back

Maximum Load = 0.983 N

Failure mode – Paste peel-off

(c) D9-3-B Front

Maximum Load = 0.781 N

Failure mode – Paste peel-off

(d) D9-3-B Back

Maximum Load = Incorrect

Failure mode – Paste peel-off

Figure C-3: Sample D9-3 – Soldered at 360°C

Page 4: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 97 | P a g e

(a) D9-15-A Front

Maximum Load = 2.187 N

Failure mode – Wafer breakage

(b) D9-15-A Back

Maximum Load = 0.854 N

Failure mode – Paste peel-off, Wafer breakage

(c) D9-15-B Front

Maximum Load = 2.167 N

Failure mode – Wafer breakage

(d) D9-15-B Back

Maximum Load = 1.656 N

Failure mode – Paste peel-off, Wafer breakage

Figure C-4: Sample D9-15 – Soldered at 360°C

Page 5: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 98 | P a g e

(a) D9-19-A Front

Maximum Load = 1.164 N

Failure mode – Paste peel-off, Wafer chipping

(b) D9-19-A Back

Maximum Load = 1.239 N

Failure mode – Paste peel-off

(c) D9-19-B Front

Maximum Load = 0.865 N

Failure mode – Paste peel-off, Paste breakage

(d) D9-19-B Back

Maximum Load = 0.565 N

Failure mode – Paste breakage

Figure C-5: Sample D9-19 – Soldered at 360°C

Page 6: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 99 | P a g e

(a) 01-A Front

Maximum Load = 0.554 N

Failure mode – Wafer breakage

(b) 01-A Back

Maximum Load = 0.427 N

Failure mode – Wafer breakage

(c) 01-B Front

Maximum Load = 0.326 N

Failure mode – Wafer breakage

(d) 01-B Back

Maximum Load = 1.34 N

Failure mode – Wafer breakage

Figure C-6: Sample 01 – Soldered at 380°C

Page 7: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 100 | P a g e

(a) 02-A Front

Maximum Load = Incorrect

Failure mode – Wafer breakage, Wafer chipping

(b) 02-A Back

Maximum Load = Incorrect

Failure mode – Wafer Breakage, Paste breakage

(c) 02-B Front

Maximum Load = 0.826 N

Failure mode – Wafer breakage

(d) 02-B Back

Maximum Load = 0.618 N

Failure mode – Wafer breakage

Figure C-7: Sample 02 – Soldered at 380°C

Page 8: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 101 | P a g e

(a) D9-9-A Front

Maximum Load = 0.328 N

Failure mode – Paste peel-off, Paste breakage

(b) D9-9-A Back

Maximum Load = 0.477 N

Failure mode – Paste peel-off, Paste breakage

(c) D9-9-B Front

Maximum Load = 0.552 N

Failure mode – Paste peel-off, Paste breakage

(d) D9-9-B Back

Maximum Load = 0.46 N

Failure mode – Paste peel-off, Paste breakage

Figure C-8: Sample D9-9 – Soldered at 380°C

Page 9: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 102 | P a g e

(a) D9-26-A Front

Maximum Load = 0.287 N

Failure mode – Paste peel-off, Paste breakage

(b) D9-26-A Back

Maximum Load = 1.763 N

Failure mode – Paste peel-off, Paste breakage

(c) D9-26-B Front

Maximum Load = Incorrect

Failure mode – Paste peel-off

(d) D9-26-B Back

Maximum Load = Incorrect

Failure mode – Paste peel-off, Paste breakage

Figure C-9: Sample D9-26 – Soldered at 380°C

Page 10: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 103 | P a g e

(a) D9-61-A Front

Maximum Load = 0.177 N

Failure mode – Paste breakage

(b) D9-61-A Back

Maximum Load = 1.146 N

Failure mode – Paste peel-off

(c) D9-61-B Front

Maximum Load = 2.1 N

Failure mode – Paste breakage

(d) D9-61-B Back

Maximum Load = 1.553 N

Failure mode – Paste peel-off

Figure C-10: Sample D9-61 – Soldered at 380°C

Page 11: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 104 | P a g e

(a) 05-A Front

Maximum Load = 0.711 N

Failure mode – Wafer chipping, Wafer breakage

(b) 05-A Back

Maximum Load = 0.799 N

Failure mode – Wafer chipping, Wafer breakage

(c) 05-B Front

Maximum Load = 1.022 N

Failure mode – Wafer chipping, Wafer breakage

(d) 05-B Back

Maximum Load = 0.883 N

Failure mode – Wafer chipping, Wafer breakage

Figure C-11: Sample 05 – Soldered at 400°C

Page 12: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 105 | P a g e

(a) 06-A Front

Maximum Load = 0.556 N

Failure mode – Paste breakage, Wafer breakage

(b) 06-A Back

Maximum Load = 0.349 N

Failure mode – Paste breakage

(c) 06-B Front

Maximum Load = 0.6 N

Failure mode – Wafer breakage

(d) 06-B Back

Maximum Load = 0.382 N

Failure mode – Wafer breakage

Figure C-12: Sample 06 – Soldered at 400°C

Page 13: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 106 | P a g e

(a) D10-9-A Front

Maximum Load = 0.129 N

Failure mode – Paste peel-off, Wafer chipping

(b) D10-9-A Back

Maximum Load = 0.16 N

Failure mode – Paste peel-off

(c) D10-9-B Front

Maximum Load = 0.812 N

Failure mode – Paste peel-off

(d) D10-9-B Back

Maximum Load = 0.13 N

Failure mode – Paste peel-off, Wafer chipping

Figure C-13: Sample D10-9 – Soldered at 400°C

Page 14: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 107 | P a g e

(a) D10-42-A Front

Maximum Load = 1.218 N

Failure mode – Paste peel-off

(b) D10-42-A Back

Maximum Load = 0.337 N

Failure mode – Paste peel-off, Wafer breakage

(c) D10-42-B Front

Maximum Load = 1.766 N

Failure mode – Paste peel-off, Wafer chipping

(d) D10-42-B Back

Maximum Load = 0.262 N

Failure mode – Wafer breakage, Wafer chipping

Figure C-14: Sample D10-42 – Soldered at 400°C

Page 15: Peel-Strength Test Results_Appendix D

P e e l - S t r e n g t h T e s t r e s u l t s o f P V c e l l s s o l d e r e d w i t h S n - 3 . 0 A g - 0 . 5 C u R i b b o n

A p p e n d i x D 108 | P a g e

(a) D10-58-A Front

Maximum Load = 1.72 N

Failure mode – Paste peel-off

(b) D10-58-A Back

Maximum Load = 0.388 N

Failure mode – Paste peel-off, Paste breakage

(c) D10-58-B Front

Maximum Load = 0.623 N

Failure mode – Paste peel-off

(d) D10-58-B Back

Maximum Load = 0.16 N

Failure mode – Paste peel-off, Paste breakage

Figure C-15: Sample D9-3 – Soldered at 400°C