Sold as “70pcs Generalplus Micom GPLB52A24A 8bit MCU silicon dies wafer”

“1000/2000 Dots Mono/4-Gray-Level LCD Controller/Driver with 8-CH SPU”

SPU ⇒ sound processing unit

“The GPLB52A24A/GPLB51A24A, an 8-bit CMOS microprocessor, features 1536 bytes working RAM, 1M bytes ROM memory, 24 I/Os, interrupt/wakeup controller, two 16-bit timers, SPI interface, one 12-bit DAC, one 10-bit PWM, and automatic display controller/driver for mono/4-gray-level LCD”

Package



Die

GFI449
AU-3

MZ @ 20x

  • Single (10668×12192, 33.82MB)

Sample processing notes:

  • General
  • BOE: standard mix
    • rgac50: 1 rg:1 hac
    • All basically at 140F forced air vortexed
    • Wash 3 times with distilled water between processes
  • s1
  • s2
    • Tries to replicate above without the splotchiness
    • s2-1: BOE 10 min
    • s2-2: barrier 3 min
    • s2-3: phosphoric 3 min
    • s2-4: BOE 5 min
    • s2-5: barrier 5 min
    • s2-6: phosphoric 5 min
    • s2-7: BOE 5 min
    • s2-8: phosphoric 5 min
    • s2-9: barrier 5 min
    • s2-10: BOE 5 min
    • s2-11: barrier 5 min
    • s2-12: phosphoric 5 min
    • s2-13: BOE 5 min
    • s2-14: barrier 5 min
    • s2-15: phosphoric 5 min
  • s3
  • s4, s5
    • 2018-02-21: unstained
  • s8
    • Started with 3:1 dilution of water:rgac
      • 6 mL H2O
      • 1 mL RG
      • 1 mL HAc
  • s09, s10, s11 all at the same time
    • s09-1: rgac50, 24 min
      • dirty solution
      • pads and a few areas still coated
    • s09-2: rgac50, 20 min
      • no significant changes
      • solution not dirty
    • s09-3: boe, 20 min
    • s09-4: boe, 20 min
    • s09-5: boe, 22 min
    • All 140F forced air
 
mcmaster/generalplus/gplb52a24a.txt · Last modified: 2018/02/21 20:57 by mcmaster
 
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