KR100684448B1 - 반도체 소자의 비아 검사법 - Google Patents
반도체 소자의 비아 검사법 Download PDFInfo
- Publication number
- KR100684448B1 KR100684448B1 KR1020030006461A KR20030006461A KR100684448B1 KR 100684448 B1 KR100684448 B1 KR 100684448B1 KR 1020030006461 A KR1020030006461 A KR 1020030006461A KR 20030006461 A KR20030006461 A KR 20030006461A KR 100684448 B1 KR100684448 B1 KR 100684448B1
- Authority
- KR
- South Korea
- Prior art keywords
- specimen
- tungsten
- chemical solution
- aluminum
- tin
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 17
- 238000010998 test method Methods 0.000 title claims description 3
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 33
- 239000010937 tungsten Substances 0.000 claims abstract description 33
- 239000000126 substance Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000007689 inspection Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052718 tin Inorganic materials 0.000 claims abstract 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 38
- 229910052782 aluminium Inorganic materials 0.000 abstract description 29
- 238000004458 analytical method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007654 immersion Methods 0.000 abstract 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 20
- 239000010410 layer Substances 0.000 description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 238000000635 electron micrograph Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 238000001493 electron microscopy Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H1/00—Tops
- A63H1/20—Tops with figure-like features; with movable objects, especially figures
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/084—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with grooves
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/06—Building blocks, strips, or similar building parts to be assembled without the use of additional elements
- A63H33/08—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails
- A63H33/088—Building blocks, strips, or similar building parts to be assembled without the use of additional elements provided with complementary holes, grooves, or protuberances, e.g. dovetails with holes
Landscapes
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (8)
- 반도체 소자의 비아 검사법에 있어서,평면 시편의 비아 상부의 금속막을 제거해서 텅스텐을 노출시키는 단계;상기 시편을 NH4OH:H2O2:H2O(DI Water):H3PO4:NHO3로 이루어진 화학용액에 소정의 온도에서 소정의 시간 동안 침지시키는 단계;상기 시편의 비아 텅스텐, TiN의 제거 및 하부 금속층의 일부를 제거하는 단계; 및상기 화학용액에 침지시켰던 시편을 전자현미경으로 관찰하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 비아 검사법.
- 제 1항에 있어서,상기 화학용액의 NH4OH:H2O2:H2O(DI Water):H3PO4:NHO3의 몰수 비는 1.1:1:1:0.1:0.1로 이루어진 것을 특징으로 하는 반도체 소자의 비아 검사법.
- 제 1항 또는 제 2항에 있어서,상기 화학용액은 시편을 65∼70℃에서 3분간 침지시키는 것을 특징으로 하는 반도체 소자의 비아 검사법.
- 제 2항에 있어서,상기 화학용액의 NH4OH:H2O2:H2O(DI Water):H3PO4:NHO3의 몰수 비는 -5%∼+5%의 가변 범위를 가지는 것을 특징으로 하는 반도체 소자의 비아 검사법.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030006461A KR100684448B1 (ko) | 2003-01-30 | 2003-01-30 | 반도체 소자의 비아 검사법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030006461A KR100684448B1 (ko) | 2003-01-30 | 2003-01-30 | 반도체 소자의 비아 검사법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040069905A KR20040069905A (ko) | 2004-08-06 |
KR100684448B1 true KR100684448B1 (ko) | 2007-02-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020030006461A KR100684448B1 (ko) | 2003-01-30 | 2003-01-30 | 반도체 소자의 비아 검사법 |
Country Status (1)
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KR (1) | KR100684448B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100791696B1 (ko) * | 2006-12-18 | 2008-01-03 | 동부일렉트로닉스 주식회사 | 반도체 소자의 프로파일 모니터링 방법 |
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2003
- 2003-01-30 KR KR1020030006461A patent/KR100684448B1/ko not_active IP Right Cessation
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KR20040069905A (ko) | 2004-08-06 |
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