ICE Shared Construction Analysis SCA 9712-570 - Smithsonian ...

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National LM2672 STEP PASSIVATION CRACK PASSIVATION METAL 1 PASSIVATION CRACK METAL 1 CRACK METAL 1 P+ ENHANCEMENT DIFFUSION Figure 27. Detailed views of the NPN transistor. Mag. 8000x. N+ N+ Integrated Circuit Engineering Corporation STEP emitter collector base
National LM2672 P+ ISO P+ EMITTER N-EPI P+ EMITTER P+ COLLECTOR CONTACT P+ EMITTER N+ BASE P+ COLLECTOR N+ BURIED LAYER Figure 28. Optical views of a PNP transistor layout (diode connected). Integrated Circuit Engineering Corporation N+ BASE CONTACT P+ COLLECTOR Mag. 500x Mag. 500x Mag. 800x
Page 1 and 2: Construction Analysis National Semi
Page 3 and 4: INTRODUCTION This report describes
Page 5 and 6: TECHNOLOGY DESCRIPTION (continued)
Page 7 and 8: Die Process and Design: Questionabl
Page 9 and 10: ANALYSIS RESULTS II (continued) •
Page 11 and 12: OVERALL QUALITY EVALUATION: Overall
Page 13 and 14: HORIZONTAL DIMENSIONS Die size: 1.8
Page 15 and 16: INDEX TO FIGURES PACKAGE ASSEMBLY F
Page 17 and 18: National LM2672 PIN 1 top side Figu
Page 19 and 20: INTERMETAL DIELECTRIC PRE-METAL DIE
Page 21 and 22: IMD LOCAL OXIDE PASSIVATION METAL 2
Page 23 and 24: National LM2672 Figure 5a. Detailed
Page 25 and 26: Mag. 400x Mag. 500x Figure 6. Die i
Page 27 and 28: Figure 7. Optical views of the die
Page 29 and 30: National LM2672 METAL 1 POLY N+ PRE
Page 31 and 32: National LM2672 METAL 2 Mag. 2000x
Page 33 and 34: National LM2672 PASSIVATION 2 METAL
Page 35 and 36: National LM2672 METAL 1 POLY POLY M
Page 37 and 38: National LM2672 Si PASSIVATION IMD
Page 39 and 40: National LM2672 Mag. 1300x DIFFUSIO
Page 41 and 42: National LM2672 GATE OXIDE PASSIVAT
Page 43 and 44: National LM2672 STEP N+ POLY GATE O
Page 45 and 46: National LM2672 METAL 1 LOCOS P- BO
Page 47 and 48: National LM2672 METAL 1 Si Si POLY
Page 49: N+ COLLECTOR PASSIVATION P+BASE N+
Page 53 and 54: National LM2672 PROBE MARK Integrat

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