Thiết kế VLSI - Bài 3 (HUST) Thầy Nguyễn Vũ Thắng

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1 ページ

goupee.vn goupee.com Design and Implementation of VLSI Systems Lecture03 CMOS fabrication cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

2 ページ

goupee.vnLecture 03: CMOS fabrication goupee.com http://www.appliedmaterials.com/HTMAC/animated.html cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

3 ページ

goupee.vnFabricating one transistor goupee.com UV light Mask oxygen exposed Silicon dioxide photoresist photoresist oxide Silicon substrate Oxidation Photoresist Mask-Wafer Exposed Photoresist (Field oxide) Coating Alignment and Exposure Photoresist Develop Dopant gas Ionized CCl gas Ionized oxygen gas 4 Ionized CF4 gas Silane gas photoresist oxygen oxide oxide oxide polysilicon gate oxide Oxide Photoresist Oxidation Polysilicon Polysilicon Etch Remove (Gate oxide) Deposition Mask and Etch Scanning ion beam Contact Metal silicon nitride holes contacts G cuu duong than cong . comtop nitride drain ox G G G G S D S D S D S D S D Ion Active Nitride Contact Metal Implantation Regions Deposition Etch Deposition and Etch fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

4 ページ

goupee.vnTop view goupee.com cuu duong than cong . comSource Gate Drain Polysilicon Source Gate Drain SiO Polysilicon 2 SiO2 p+ p+ n+ n+ n bulk Si p bulk Si fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

5 ページ

goupee.vnWafer preparation goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

6 ページ

goupee.vnStart with P substrate goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

7 ページ

goupee.vn1. Spin Resist Coating goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

8 ページ

goupee.vn2. Expose N Well Mask goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

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goupee.vn3. Develop resist goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

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goupee.vn4. Implant N Well goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

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goupee.vn5. Remove Resist goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

12 ページ

goupee.vnAnneal wafer to diffuses N well (heal lattice)goupee.com and grow new oxide layer cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

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goupee.vnRemove oxide from anneal goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

14 ページ

goupee.vn1. Spin Resist goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

15 ページ

goupee.vn2. Expose resist with active diffusion maskgoupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

16 ページ

goupee.vn3. Develop resist goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

17 ページ

goupee.vn4. Grow oxide on exposed surface goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

18 ページ

goupee.vn5. Strip resist goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

19 ページ

goupee.vnGrown thin oxide over silicon surfaces goupee.com cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

20 ページ

goupee.vn1. Deposit poly using Chemical Vapor goupee.com Deposition (CVD) cuu duong than cong . com fb.com/goupee.vn CuuDuongThanCong.com https://fb.com/tailieudientucntt

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