๋ฐ˜๋„์ฒด ์„ค๊ณ„ ๊ณผ์ •์„ ์š”์•ฝํ•˜๋ฉด, ์•„๋ž˜์ฒ˜๋Ÿผ ์ง„ํ–‰๋ฉ๋‹ˆ๋‹ค.

์•„์ด๋””์–ด -> ๋””์ง€ํ„ธ ๋…ผ๋ฆฌ ์„ค๊ณ„ -> ๋ฌผ๋ฆฌ์  ์š”์†Œ๋ฅผ ๊ณ ๋ คํ•œ, ์ตœ์ข… ์„ค๊ณ„๋„๋ฅผ ์„ค๊ณ„ํ•˜์—ฌ Fab์— ์ „๋‹ฌ -> ์›จ์ดํผ ์œ„ ์นฉ์œผ๋กœ ๊ณต์ •.

๊ณต์ • ์ˆ˜์ค€์ด ์ ์  ๋” ๋ฏธ์„ธํ™” ๋˜๋ฉด์„œ, โ€œ๋””์ง€ํ„ธ ๋…ผ๋ฆฌ์ ์œผ๋กœ ์ด์ƒ์ด ์—†์–ด๋„, ๋ฌผ๋ฆฌ์ ์ธ ์ด์œ ๋กœ ์ˆ˜์œจ ์ด์ƒ์ด ๋ฐœ์ƒโ€ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

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DFM์ด๋ž€,

DFM(Design for Manufacturability)์€ ๋ฐ˜๋„์ฒด ์ œ์กฐ ๊ณต์ •์—์„œ ๋ฐœ์ƒํ•˜๋Š” ์—ฌ๋Ÿฌ๊ฐ€์ง€ ๋…ธ์ด์ฆˆ๋ฅผ ์—ผ๋‘์— ๋‘๊ณ  ์ง‘์  ํšŒ๋กœ๋ฅผ ์„ค๊ณ„ํ•˜๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.

์ด์ƒ์ ์ด์ง€ ์•Š์€ ์‹ค์ œ ์นฉ ์ œ์กฐ๊ณต์ •์„ ๊ณ ๋ คํ•˜์—ฌ, ๋†’์€ ์ˆ˜์œจ์˜ Chip์„ ๊ณต์ • ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ์„ค๊ณ„๋ฐฉ๋ฒ•๋ก ์ž…๋‹ˆ๋‹ค.

๋” ๋ฏธ์„ธํ•œ ๊ณต์ •์„ ํ•  ์ˆ˜๋ก, ๋” ๋‚œ์ด๋„๊ฐ€ ๋†’์•„์ง€๊ณ .. ์ž‘์€ ๋…ธ์ด์ฆˆ์—๋„, ์ž‘์€ ๋จผ์ง€์—๋„ ํฌ๊ฒŒ ์˜ํ–ฅ์„ ๋ฐ›๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

๊ทธ๋ž˜์„œ ๋ฏธ์„ธ๊ณต์ •์ด ์–ด๋ ต๊ณ , ๋ฏธ์„ธ๊ณต์ •์—์„œ ์ˆ˜์œจ์ด ์•ˆ ๋‚˜์˜ค๊ณ , ์ˆ˜์œจ์ด ์•ˆ ๋‚˜์˜ค๋‹ˆ ์–‘์‚ฐ์ด ์–ด๋ ต๊ณ , ์–‘์‚ฐ์ด ์–ด๋ ค์šฐ๋‹ˆ Chip์ด ๋น„์‹ธ์ง€๊ณ โ€ฆ. ์ด๋ ‡๊ฒŒ ๋น„์‹ธ์ง„ Chip์€ ์ฃผ์‹, ๊ฒฝ์ œ, ์ •์น˜์— ์˜ํ–ฅ์„ ๋ผ์น˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

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๋ฐ˜๋„์ฒด ์ˆ˜์œจ์ด๋ž€, (Yield)

๋ฐ˜๋„์ฒด ์ œ์กฐ์—์„œ โ€œ ์ˆ˜์œจโ€์€ ์ „์ฒด Chip ๋Œ€๋น„, ์‹ค์ œ ๋™์ž‘์— ์„ฑ๊ณต์ ์œผ๋กœ ์ œ์กฐ๊ณต์ •๋œ ์นฉ์˜ ๋ฐฑ๋ถ„์œจ์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.

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์‹ค์ œ์ ์ธ ๋ฐ˜๋„์ฒด์˜ ๋™์ž‘์€, ์ „์••์„ ๋„ฃ์–ด์ค„ ๋•Œ 1->0 ํ˜น์€ 0->1๋กœ ์ถœ๋ ฅ์— ๋ณ€ํ™”๊ฐ€ ์žˆ๋Š”๋ฐโ€ฆ. ์ด ์ถœ๋ ฅ ๋ณ€ํ™”๋Š” โ€œ๋ฌธํ„ฑ ์ „์••โ€์„ ๋„˜์—ˆ์„ ๋•Œ ๋ฐœ์ƒํ•˜๊ณ , ์ด โ€œ๋ฌธํ„ฑ ์ „์••โ€์€ ์‹ค์ œ ๋ฐ˜๋„์ฒด ์ œ์กฐ ๊ณต์ • ๊ณผ์ • ์ค‘ ์—ฌ๋Ÿฌ๊ฐ€์ง€ ์ด์œ ๋กœ, ์›จ์ดํผ ๋‚ด ๊ฐ ์นฉ๋งˆ๋‹ค ์•ฝ๊ฐ„์”ฉ ๋‹ค๋ฅด๊ฒŒ ์ œ์กฐ๊ณต์ •๋ฉ๋‹ˆ๋‹ค.

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๋ฏธ์„ธ๊ณต์ •์œผ๋กœ ์ง„์ž…ํ•จ์— ๋”ฐ๋ผ, ์ œ์กฐ๊ณต์ •์˜ ๋…ธ์ด์ฆˆ ๋ณ€ํ™”๊ฐ€ ๋”์šฑ ํฐ ๋น„์œจ์„ ์ฐจ์ง€ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ๊ณต์ •ํšŒ์‚ฌ์—์„œ๋Š” ์ตœ๋Œ€ํ•œ ์ด๊ฑธ ์ •ํ™•ํ•˜๊ฒŒ ๊ณ„์‚ฐํ•˜์—ฌ,,, ๋„ˆ๋ฌด ๋น„๊ด€์ ์ด์ง€๋„ ์•Š์œผ๋ฉด์„œ ๋„ˆ๋ฌด ๋‚™๊ด€์ ์ด์ง€ ์•Š๋„๋ก ๊ฐ’์„ ์ถœ๋ ฅํ•ฉ๋‹ˆ๋‹ค. ์ œ์กฐ๊ณต์ •์œผ๋กœ ๋ฐœ์ƒํ•˜๋Š” ๋…ธ์ด์ฆˆ๋ฅผ ์„ค๊ณ„ ํšŒ์‚ฌ์— ๋ฏธ๋ฆฌ ์•Œ๋ ค์ค˜์„œโ€ฆ. โ€œ์„ค๊ณ„ ํšŒ์‚ฌ์—์„œ๋Š” ์ด๊ฑธ ๊ฐ์•ˆํ•˜์—ฌ, ์ข€ ๋” ๋งˆ์ง„ ์žˆ๋Š” ์„ค๊ณ„๋ฅผ ํ•˜์—ฌโ€ ์ˆ˜์œจ์„ ๋†’์ผ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์ด์ฃ .

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๊ทธ๋ฆฌ๊ณ .. ์–ด์ง€๊ฐ„ํ•œ ๊ฒฝ์šฐ, ๋ฐ˜๋„์ฒด ์„ค๊ณ„์™€ Simulation์ด ์™„๋ฒฝํ•˜๊ฒŒ ์ด๋ค„์กŒ๋‹ค๊ณ  ํ•˜๋”๋ผ๋„, ๋ฐ”๋กœ ์–‘์‚ฐ์œผ๋กœ ๊ฐ€์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

์–‘์‚ฐ์€ ๋น„์‹ธ๊ณ , ํ•ญ์ƒ ์˜ˆ์ƒ์น˜ ๋ชปํ•œ ์ผ๋“ค์ด ์ƒ๊ธฐ๊ธฐ ๋•Œ๋ฌธ์—, Test Chip์œผ๋กœ ์ œ์กฐ๊ณต์ •์„ ํ•œ๋ฒˆ ํ•ด๋ณด๊ณ ,

์ œ์กฐ๊ณต์ •์ด ์™„๋ฃŒ ๋œ Chip๋“ค์ด ์ž˜ ๋™์ž‘ํ•˜๋Š”์ง€? ์ฃผ๋กœ ์–ด๋–ค ๋ถ€๋ถ„์—์„œ ๋ถˆ๋Ÿ‰์ด ๋งŽ์ด ๋ฐœ์ƒํ•˜๋Š”์ง€? ๋“ฑ์„ ์‚ดํŽด๋ด…๋‹ˆ๋‹ค.

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1) Chip์—์„œ ์–ด๋–ค ํŠน์ • function์„ ๋‹ด๋‹นํ•˜๋Š” ๋ถ€๋ถ„์—์„œ ์ œ์กฐ๊ณต์ •์—์„œ ๋ถˆ๋Ÿ‰์ด ๋งŽ์ด ๋ฐœ์ƒํ–ˆ๋Š”์ง€

2) Wafer์—์„œ ์–ด๋–ค ๋ถ€๋ถ„์—์„œ ๋Œ€๋ถ€๋ถ„์˜ ๋ถˆ๋Ÿ‰์ด ๋ฐœ์ƒํ–ˆ๋Š”์ง€

์ด๋Ÿฐ ๊ฒƒ๋“ค์„ ์ฒดํฌํ•ด๋ณด๊ณ .. ์–‘์‚ฐ์—์„œ ๋ฐ˜์˜ํ•˜๋Š”๊ฑฐ์ฃ .

์˜ˆ๋ฅผ๋“ค์–ด Chip size๊ฐ€ ๋งค์šฐ ์ปค์„œ, ํ•œ ์›จ์ดํผ ๋‚ด์— 5๊ฐœ์˜ Chip๋งŒ ์ œ์กฐ ํ•  ์ˆ˜ ์žˆ๋‹ค๋ฉด.. ์ œ์กฐ๊ณต์ • ์ค‘ Wafer์— ๋จผ์ง€ 5๊ฐœ๋งŒ ๊ปด๋„ ์›จ์ดํผ ํ•œ์žฅ์„ ๋ฒ„๋ ค์•ผ ํ•  ์ˆ˜๋„ ์žˆ์œผ๋‹ˆ, ์ด๋Ÿฐ ๊ฒฝ์šฐ์—” Chip์˜ ๊ธฐ๋Šฅ์„ ์ข€ ๋‚˜๋ˆ ์„œ chip size๋ฅผ ์ค„์ผ ์ˆ˜๋„ ์žˆ๊ตฌ์š”.

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โ€‹

Layout opimization: DFM์€ ์นฉ ๋ ˆ์ด์•„์›ƒ์„ ์ตœ์ ํ™”ํ•˜์—ฌ Routing Congestion, Timing violation, Lithography limitation ๋“ฑ์˜ ๋ฌธ์ œ๋ฅผ ์™„ํ™”ํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์ตœ์ ํ™”๋Š” ์ œ์กฐ ๊ฐ€๋Šฅ์„ฑ๊ณผ ์ˆ˜์œจ์„ ํ–ฅ์ƒ์‹œํ‚ต๋‹ˆ๋‹ค.

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๋ฐ˜๋„์ฒด ์‹ ๋ขฐ์„ฑ ๋ฌธ์ œ๋ž€? (Reliability)

๋ฐ˜๋„์ฒด ์‹ ๋ขฐ์„ฑ ๋ฌธ์ œ๋Š” ์ฃผ๋กœ, โ€œ์ •์ƒ ์นฉ์ด ์–ผ๋งˆ๋‚˜ ์™ธ๋ถ€ ํ™˜๊ฒฝ์—์„œ ๋ฒ„ํ‹ธ ์ˆ˜ ์žˆ๋Š”์ง€โ€๋ฅผ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.

์—ด, ์ „์ž๊ธฐํ•™, ๋ฐฉ์‚ฌ์„  ๋“ฑ ๋‹ค์–‘ํ•œ ์›์ธ๋“ค๋กœ ์ธํ•ด, chip์˜ ๋‚ด๋ถ€ ํšŒ๋กœ ๋ฌผ์„ฑ์ด ๋ณ€ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๋…ธ์ด์ฆˆ ํŒŒ๋ผ๋ฏธํ„ฐ๋“ค๋„ ๊ณต์ •์‚ฌ์—์„œ ๊ณ„์‚ฐํ•˜์—ฌ ์„ค๊ณ„์‚ฌํ•œํ…Œ ๋„˜๊ฒจ์ฃผ๊ณ , ์„ค๊ณ„์‚ฌ๋“ค์€ โ€œ์–ด๋–ค ํ™˜๊ฒฝ์—์„œ ์–ด๋Š ๊ธฐ๊ฐ„๋™์•ˆ ๋ฒ„ํ‹ธ ์ˆ˜ ์žˆ๋Š” ๋ฐ˜๋„์ฒดโ€๋ฅผ ์„ค๊ณ„ํ•ฉ๋‹ˆ๋‹ค.

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๊ฐ„๋‹จํžˆ ์–ด๋–ค๊ฒŒ ์žˆ๋Š”์ง€๋งŒ ์†Œ๊ฐœํ•˜๊ณ โ€ฆ ์„ธ๋ถ€ ์†Œ๊ฐœ๋Š” ๋‚˜์ค‘์— ํฌ์ŠคํŒ…์„ ๋‚จ๊ธธ๊ฒŒ์š”.

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  1. Signal EM์ด๋ž€(Electromigration)

๋†’์€ ์ „๋ฅ˜ ๋ฐ ์˜จ๋„์—์„œ Metal Routing์˜ Quality/Rule check

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๋””์ง€ํ„ธ ํšŒ๋กœ์—์„œ Signal์€ ์œ„์ฒ˜๋Ÿผ ๊ฐ™์ด Routing์„ ํ†ตํ•ด current๋Š” ์ „์ž์˜ ํ๋ฆ„์— ๋”ฐ๋ผ ์ด๋™ํ•˜๋Š”๊ฒŒ.. ๋””์ง€ํ„ธ ๋…ผ๋ฆฌํšŒ๋กœ์—์„œ, ๋ฉ”ํƒˆ์ด๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” ๊ฒƒ.

์ด๋™ํ•˜๋Š” ์ „์ž๋Š” ๋งŽ์€๋ฐ ๋ฐฐ์„ ์˜ ํญ์ด ์ข๋‹ค๋ฉด,

1) ๋ณ‘๋ชฉํ˜„์ƒ์œผ๋กœ ์ด์ชฝ ๋ถ€๊ทผ์— ๋น ๋ฅด๊ฒŒ ๋ถ€๋”ชํžˆ๋Š” ์ „์ž๊ฐ€ ์Œ“์ด๋ฉด์„œ

2) ๊ณ ์˜จ์ด ๋ฐœ์ƒํ•˜๊ฒŒ ๋˜๊ณ  ์‹œ๊ฐ„์ด ์ง€๋‚˜๋ฉด ์•„๋ž˜์™€ ๊ฐ™์ด crack์ด ๋ฐœ์ƒํ•˜๊ฒŒ ๋˜๋ฉฐ, ์•„๋ž˜์ฒ˜๋Ÿผ OPEN์ด๋‚˜ SHORT๊ฐ€ ์ผ์–ด๋‚  ์ˆ˜ ์žˆ๋‹ค.

๋”ฐ๋ผ์„œ ๋ฐ˜๋„์ฒด ๊ณต์ • ํšŒ์‚ฌ๋“ค์€ ์œ„์™€ ๊ฐ™์€ ํ˜„์ƒ์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด ๋‹จ์œ„ ๋ฉด์ ๋‹น ํ๋ฅด๋Š” current๋ฅผ ๋ฒ„ํ‹ธ ์ˆ˜ ์žˆ๋Š” metal์˜ ๋‘๊ป˜, ๊ธธ์ด๋“ฑ์„ ์ œํ•œ์„ ๋‘์–ด ์„ค๊ณ„์‹œ ๋ฐ˜์˜ํ•˜์—ฌ signal/power EM ๋“ฑ Design Rule Check๊ฐ€ ํ•„์š”ํ•˜๋‹ค.

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  1. HCI๋ž€ ( Hot carrier injection, Hot carrier effect)

MOSFET ์†Œ์ž์˜ ๊ธฐ๋ณธ ๋™์ž‘์ด.. Gate์— ์ „์••์„ ๊ฑธ์–ด์ฃผ๋ฉด, Source์™€ Drain ์‚ฌ์ด์— Channel์ด ์ƒ๊ฒจ ๊ทธ์ชฝ์œผ๋กœ Carrier๋“ค์ด ์˜ค๊ฐ€๋Š”๊ฑฐ์ž–์•„์š”?

HCI๋ž€, ์ „์ž๋“ค์ด Source์—์„œ Drain์œผ๋กœ ํ˜๋Ÿฌ๊ฐ€๋Š” ๊ณผ์ • ์‚ฌ์ด์—, ๋†’์€ ์šด๋™์—๋„ˆ์ง€๋ฅผ ๊ฐ€์ง„ ์ผ๋ถ€ ์ „์ž๋“ค์ด SiO2์™€ ์ถฉ๋Œํ•˜๋‹ค๊ฐ€ SiO2์˜ Energy band๋ฅผ ๋„˜์€ ์šด๋™ ์—๋„ˆ์ง€๋ฅผ ๊ฐ€์ง„ ์ „์ž๋“ค์ด Oxide์— Trap๋˜๋Š” ํ˜„์ƒ์ž…๋‹ˆ๋‹ค.

์ข€ ๋” ์‰ฝ๊ฒŒ ๋งํ•˜๋ฉด,

MOSFET ์†Œ์ž์—์„œ channel์˜์—ญ ๋‚ด ์ „์ž๊ฐ€ ๋†’์€ ์—๋„ˆ์ง€๋ฅผ ๋ฐ›๊ณ  SiO2(์ ˆ์—ฐ์‚ฐํ™”๋ง‰)์•ˆ์œผ๋กœ ๋“ค์–ด์™€์„œ ์†Œ์ž์˜ ๋ฌผ์„ฑ.. ๊ทธ๋Ÿฌ๋‹ˆ๊นŒ ๋ฌธํ„ฑ์ „์••์„(Vth)๋ฅผ ๋ณ€ํ™”์‹œํ‚ค๋Š” ํ˜„์ƒ์„ ๋งํ•ฉ๋‹ˆ๋‹ค. Vth๊ฐ€ ๋ฐ”๋€Œ๋ฉด, Chip์˜ ๋™์ž‘ ์†๋„๊ฐ€ ๋ฐ”๋€Œ๋ฏ€๋กœ, Timing ๊ด€๋ จ ๋ฌธ์ œ๊ฐ€ ์ƒ๊น๋‹ˆ๋‹ค.

Source -> Drain์œผ๋กœ ๊ฐ€๋ฉด์„œ.. ์šด๋™์—๋„ˆ์ง€๊ฐ€ ๊ฐ€์žฅ ๋†’์„ ๋•Œ ์ด HCI ๋ฌธ์ œ๊ฐ€ ์ฃผ๋กœ ๋ฐœ์ƒํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ MOSFET์˜ Drain ๊ทผ์ฒ˜์—์„œ ์ฃผ๋กœ ์ด๋Ÿฐ ์ด์Šˆ๋“ค์ด ๋ฐœ์ƒํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

๊ณต์ •์‚ฌ๋Š” ์ด๊ฑธ ํŠน์„ฑํ™”ํ•ด์„œ, ์„ค๊ณ„ ํšŒ์‚ฌ์— ๋„˜๊ฒจ์ฃผ๊ณ , ์„ค๊ณ„ํšŒ์‚ฌ๋Š” ์ด๊ฑธ ๊ฐ–๊ณ  ์‹œ๋ฎฌ๋ ˆ์ด์…˜์„ ํ•ด์„œ.. ๋‚ด ๋””์ž์ธ์—์„œ HCI ์ด์Šˆ๊ฐ€ ๋ฐœ์ƒ ํ•  ์ˆ˜ ์žˆ๋Š”์ง€ Design Rule Check๋ฅผ ํ•˜๋Š”๊ฒ๋‹ˆ๋‹ค.

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HCI๊ฐ€ ์กฐ๊ธˆ ์Œ“์ธ ์ƒํƒœ์—์„  VTH๋ฅผ ์ข€ ๋ณ€๋™ ์‹œํ‚ค๋Š” ๋ฌธ์ œ์ด์ง€๋งŒ, HCI๊ฐ€ ์ง€์†๋˜๋ฉด ์•„์˜ˆ ํ•œ์ชฝ oxide๊ฐ€ ์ „์ž๋กœ ๊ฝ‰ ๋ง‰ํ˜€ ๋ฒ„๋ฆด๊ฒ๋‹ˆ๋‹ค. ์ด๊ฑธ TDDB (Time Dependent Dielectric Breakdown)๋ผ๊ณ  ํ•˜๋Š”๋ฐโ€ฆ ์ด๋ ‡๊ฒŒ ๋˜๋ฉด, ์ฑ„๋„ ํ˜•์„ฑ์ด ๊ฑฐ์˜ ์•ˆ ๋œ๋‹ค๊ณ  ๋ณด์‹œ๋ฉด ๋ฉ๋‹ˆ๋‹ค.

์ฃผ๋กœ HCI๋Š” ๋†’์€ ์ด๋™์„ฑ๊ณผ ์ž‘์€ band offset ๊ฐ€์ง„ ์ „์ž ๋•Œ๋ฌธ์— ๋ฌธ์ œ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค.

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HCI๋ฅผ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด, ๊ณต์ •์—์„œ LDD(Lightly Doped Drain)์ด๋ผ๋Š”.. ์ผ์ข…์˜ ๋ณดํ˜ธ๋ง‰์„ MOSFET์— ํ•ด์ฃผ๋Š” ๋ฐฉ๋ฒ•๋„ ์žˆ๊ธดํ•œ๋ฐ.. ์ด๊ฑธ ํ•˜๋ฉด ์ €ํ•ญ์ด ๋Š˜์–ด๋‚˜๋Š” ๋‹จ์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค.

  1. BTI, bias temperature instability

  2. IBL, Induced Barrier Lowering

  3. Punch through

aging, power ๋“ฑ๋“ฑ.. ๋งŽ์ด ์žˆ๋Š”๋ฐ wikipedia์— ๋„ˆ๋ฌด ์ž˜ ๋‚˜์™€ ์žˆ์œผ๋‹ˆ ๊ทธ๊ฑฐ ๋ณด์‹œ๋Š”๊ฑฐ ์ถ”์ฒœํ•ฉ๋‹ˆ๋‹ค. ์ด๊ฑฐ ๋‹ค ์“ฐ๋ฉด ํ•˜๋‚˜์˜ ๊ธ€์—์„œ ๋ถ„๋Ÿ‰์ด ๋„ˆ๋ฌด ๋งŽ์•„์งˆ ๊ฒƒ ๊ฐ™๋„ค์š”;;

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High-temperature operating life - Wikipedia

High-temperature operating life 1 language Article Talk Read Edit View history Tools From Wikipedia, the free encyclopedia High-temperature operating life (HTOL) is a reliability test applied to integrated circuits (ICs) to determine their intrinsic reliability. This test stresses the IC at an elevaโ€ฆ

en.wikipedia.org

](https://en.wikipedia.org/wiki/High-temperature_operating_life)

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์š”์•ฝํ•˜๋ฉด,

  1. ๋ฆฌ์†Œ๊ทธ๋ž˜ํ”ผ ๋ฐ ๋งˆ์Šคํฌ ์ตœ์ ํ™”: SMO, MBOPC

  2. ๊ณต์ •๊ณผ ์‹ ๋ขฐ์„ฑ ๊ด€๋ จ ํŒŒ๋ผ๋ฏธํ„ฐ ๊ณ ๋ คํ•˜์—ฌ ์„ค๊ณ„ ๊ฒ€์ฆ: STA

  3. Design Rule check: Signal EM ๋“ฑ ๋‹ค์–‘ํ•œ PV Tool

  4. DFM aware Place and Routing: Congestion, lithography hotspot ์ตœ์†Œํ™”

  5. Dummy filler cell: Etching์ด ๊ท ์ผํ•˜๋„๋ก layout density์˜ ๊ท ์ผ์„ฑ์„ ์œ„ํ•ด, dummy ์—ญํ• ์„ ํ•˜๋Š” filler cell ์‚ฝ์ž….

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๋ฏธ์„ธ๊ณต์ •์œผ๋กœ ๊ฐˆ ์ˆ˜๋ก, ์ž‘์€ ๋…ธ์ด์ฆˆ๊ฐ€ ํฐ ๋ฌธ์ œ๋ฅผ ์ผ์œผํ‚ค๊ณ , ์ด๊ฒƒ์€ ์–‘์‚ฐ์ด ๋˜๋ƒ ์•ˆ๋˜๋ƒ?๋กœ ๋ฌธ์ œ๊ฐ€ ์ปค์ง„๋‹ค.

์ด ๋ฌธ์ œ๋กœ ์ธํ•ด ๊ธฐ์—…๊ณผ ๊ตญ๊ฐ€์˜ ๊ฒฝ์Ÿ๋ ฅ์ด ๊ฒฐ์ •๋˜๊ณ ,

์–‘์‚ฐ์„ ๊ณ ๋ คํ•œ ์„ค๊ณ„ ๋ฐฉ๋ฒ•๋ก ์ด ํ•„์š”ํ•จ.

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