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LiTaO3 Wafer Log

litao3_batch_1.png Wafer Design Table


Chip No. Wafer No. Processes Date User
309 J 1 Removed from blue sticky foil, observed under microscope, deemed not perfect, put back on sticky foil. (DOA)
08/04/09 ZR
309 I 1 Removed from blue sticky foil, observed under microscope, mounted on 60 MHz CMOS Pierce PCB (labelled with green number 2), sealed Au bonds with epoxy glue. Gave to Julian to take to Jan. 08/04/09 ZR
315 D 1 Removed from blue sticky foil, observed under microscope, mounted on 230 MHz Schmidt Pierce PCB (labelled with green number 3), sealed Au bonds with epoxy glue. Gave to Julian to take to Jan. 08/04/09 ZR
303 A 1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol and wirebonded. Mounted on 1519IG A Issue 1 PCB Board. (Board 1) 15/04/09 SP
306 A 1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol and wirebonded. Mounted on 1519IG A Issue 1 PCB Board. (Board 2) 15/04/09 SP
309 C 1 Removed from blue sticky foil. Dip washed in acetone and isopropanol. Observed under microscope. Finger pairs were broken for both devices. (DOA) 27/04/09 SP
307 A 1

Removed from blue sticky foil, observed under microscope. Both devices look perfect. Dip washed in acetone and methanol, rinsed with DI. Mounted on 1540IGI Board.

28/04/09 SP
310 A 1

Removed from blue sticky foil. Observed under microscope. Finger pairs/Reflectors broken. (DOA)

28/04/09 SP
310 B 1

Removed from blue sticky foil. Observed under microscope. Finger pairs/Reflectors broken. (DOA)

28/04/09 SP
310 C 1

Removed from blue sticky foil. Observed under microscope. Finger pairs/Reflectors broken. (DOA)

28/04/09 SP
310 D
1 Removed from blue sticky foil, observed under microscope. Left device has broken IDTs, right device looks perfect. Dip washed in acetone and methanol, rinsed with DI. Mounted on 1315IGA1 Board. 01/05/09 ZR
307 B 1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol. IDT's OK. Mounted on 1315IGA1 Board. 01/05/09 SP
310 H 2 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol. IDT's OK. Mounted and Bonded. 06/05/09 SP
307 C
1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol. IDT's OK. Mounted and Bonded. 07/05/09 SP
316 A
1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol. IDT's OK. Mounted and Bonded. 08/05/09 SP
307 D
1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol. [IDT's BROKEN-USER ERROR] 12/05/09 SP
307 E
1 Removed from blue sticky foil, observed under microscope. Dip washed in acetone and isopropanol. IDT's OK. Mounted and Bonded. 12/05/09 SP
317 A 2 Observed under microscope (did not remove from blue sticky foil). (DOA) 19/05/09 ZR
317 B
2 Observed under microscope (did not remove from blue sticky foil). (DOA) 19/05/09 ZR
317 C
2 Observed under microscope (did not remove from blue sticky foil). (DOA) 19/05/09 ZR
317 D
2 Observed under microscope (did not remove from blue sticky foil). (DOA) 19/05/09 ZR
317 E
2 Observed under microscope (did not remove from blue sticky foil). (DOA) 19/05/09 ZR
317 F
2 Observed under microscope (did not remove from blue sticky foil). (DOA) 19/05/09 ZR
317 A 1 Observed under microscope. Seemed perfect. Removed from sticky foil. Mounted and Wirebonded. Gave to Khaled.
19/05/09 ZR
315 C 1 Observed under microscope. Looks perfect. Mounted on PCB insert with UV glue. 03/06/09 ZR
315 B 1 Observed under microscope. Looks perfect. Mounted on PCB insert with UV glue. 03/06/09 ZR
317 B 1 Observed under microscope. Looks perfect. Mounted on Jan's 229 MHz board with UV glue. 03/06/09 ZR
313 A 1 Observed under microscope. IDTs are wavy. (DOA)
03/06/09 ZR
313 B
1 Observed under microscope. IDTs are wavy. (DOA) 03/06/09 ZR
313 C
1 Observed under microscope. IDTs are wavy. (DOA) 03/06/09 ZR
313 D
1 Observed under microscope. IDTs are wavy but to lesser degree. (DOA) 03/06/09 ZR
313 E
1 Observed under microscope. IDTs are wavy. (DOA) 03/06/09 ZR
313 F
1 Observed under microscope. IDTs are wavy. (DOA) 03/06/09 ZR
313 G
1 Observed under microscope. IDTs are wavy (only top IDTs). (DOA) 03/06/09 ZR
313 H
1 Observed under microscope. IDTs are wavy. (DOA) 03/06/09 ZR
313 I
1 Observed under microscope. Looks perfect. Mounted on PCB insert with epoxy glue.
03/06/09 ZR
313 J
1 Observed under microscope. One finger is wavy --> could still work.
03/06/09 ZR
304 A 1 Observed under microscope. Looks perfect. Mounted on PCB insert with epoxy glue. 03/06/09 ZR
304 B 1 Observed under microscope. Looks perfect. Mounted on PCB insert with epoxy glue. 03/06/09 ZR
306 B 1 Observed under microscope. Looks perfect. Mounted on PCB insert with epoxy glue. 03/06/09 ZR
307 C 2 Observed under microscope. Looks perfect. Mounted on PCB insert with epoxy glue. 03/06/09 ZR
307 D 2 Observed under microscope. Looks perfect. Mounted on PCB insert with epoxy glue. 03/06/09 ZR
312 J 1 Observed under microscope. Looks perfect. Mounted on small PCB insert with epoxy glue. 03/06/09 ZR
312 K 1 Observed under microscope. Looks perfect. Mounted on small PCB insert with epoxy glue. 03/06/09 ZR