JPH04287041A - Chemical amplification type resist composition and patterning method - Google Patents
Chemical amplification type resist composition and patterning methodInfo
- Publication number
- JPH04287041A JPH04287041A JP3052056A JP5205691A JPH04287041A JP H04287041 A JPH04287041 A JP H04287041A JP 3052056 A JP3052056 A JP 3052056A JP 5205691 A JP5205691 A JP 5205691A JP H04287041 A JPH04287041 A JP H04287041A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- base polymer
- benzoin tosylate
- resist composition
- resist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000000203 mixture Substances 0.000 title claims description 15
- 238000000059 patterning Methods 0.000 title claims description 8
- 239000000126 substance Substances 0.000 title claims description 3
- 230000003321 amplification Effects 0.000 title 1
- 238000003199 nucleic acid amplification method Methods 0.000 title 1
- DLDWUFCUUXXYTB-UHFFFAOYSA-N (2-oxo-1,2-diphenylethyl) 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)OC(C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 DLDWUFCUUXXYTB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920005601 base polymer Polymers 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 11
- 239000003999 initiator Substances 0.000 claims abstract description 10
- 125000000524 functional group Chemical group 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims description 14
- 230000035945 sensitivity Effects 0.000 abstract description 14
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract description 4
- 238000011109 contamination Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 4
- RFQXSRPFYWMUDV-UHFFFAOYSA-N 2-(4-methylphenyl)sulfonyl-1-phenylethanone Chemical compound C1=CC(C)=CC=C1S(=O)(=O)CC(=O)C1=CC=CC=C1 RFQXSRPFYWMUDV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract description 2
- 238000004528 spin coating Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 10
- -1 triphenylsulfonium hexafluoroantimonate Chemical compound 0.000 description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001459 lithography Methods 0.000 description 2
- VUBUXALTYMBEQO-UHFFFAOYSA-N 2,2,3,3,3-pentafluoro-1-phenylpropan-1-one Chemical compound FC(F)(F)C(F)(F)C(=O)C1=CC=CC=C1 VUBUXALTYMBEQO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 1
Landscapes
- Materials For Photolithography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
【0001】0001
【産業上の利用分野】本発明は、例えばLSI, VL
SI 等の半導体装置の製造において微細パターンの形
成時に用いられるレジスト材料に関し、特に化学増幅型
レジスト組成物に関する。本発明はまた、このようなレ
ジスト組成物を使用したパターニング方法にも関する。[Industrial Application Field] The present invention is applicable to, for example, LSI, VL
The present invention relates to resist materials used in forming fine patterns in the manufacture of semiconductor devices such as SI, and particularly to chemically amplified resist compositions. The invention also relates to patterning methods using such resist compositions.
【0002】0002
【従来の技術】近年、素子の高集積化・微細化に伴ない
、ハーフミクロン以下の微細加工技術の確立が望まれて
いる。リソグラフィ分野では、これら要求に対して、露
光光源が短波長へ移行しつつある。そして、これら新た
なリソグラフィ技術に対応したレジスト材料が求められ
ている。従来のフォトレジスト主流のノボラック樹脂レ
ジストは短波長域での吸収が強い。このため解像性が悪
く短波長域での使用は困難である。これに替わる材料と
して、化学増幅型レジストの開発が広く進められている
。化学増幅型レジストは、官能基をもつポリマーと光照
射により酸を発生する光重合開始剤の混合の系である。
本発明者らは、かかるレジストのベースポリマーとして
用いられる官能基をもつポリマーとしてポリメタクリル
酸テトラヒドロピラニルが有効であることをすでに発見
している。BACKGROUND OF THE INVENTION In recent years, with the increasing integration and miniaturization of devices, it has been desired to establish microfabrication technology of half a micron or less. In the lithography field, exposure light sources are shifting to shorter wavelengths in response to these demands. There is a need for resist materials that are compatible with these new lithography techniques. Novolac resin resists, which are the mainstream of conventional photoresists, have strong absorption in the short wavelength range. Therefore, the resolution is poor and it is difficult to use it in a short wavelength range. As an alternative material, chemically amplified resists are being widely developed. A chemically amplified resist is a mixture of a polymer having a functional group and a photopolymerization initiator that generates an acid upon irradiation with light. The present inventors have already discovered that polytetrahydropyranyl methacrylate is effective as a functional polymer for use as a base polymer for such resists.
【0003】ところで、現在までのところ、ベースポリ
マーとしてのポリメタクリル酸テトラヒドロピラニルと
組み合わせた場合に満足し得る効果を導くような光重合
開始剤は見つかっていない。これは、化学増幅型レジス
トは、官能基をもつポリマーの種類によって、併用する
光重合開始剤の種類によって、またその組み合わせによ
って、そのパターニング特性が大きく変わるからである
。実例をあげると、ポリメタクリル酸テトラヒドロピラ
ニルに対しての光重合開始剤として用い得る次式(II
)のトリフェニルスルホニウムヘキサフルオロアンチモ
ネート及び次式(III)のトリフェニルスルホニウム
ヘキサフルオロアーセネートは高感度であるが、半導体
製造工程においてメタル汚染の危険性がある。また、こ
のメタル汚染の危険性がない、次式(IV)の2−p−
トルエンスルホニルアセトフェノンでは、発生する酸が
強すぎて、未露光部がアルカリ可溶性になるという不都
合がある。By the way, up to now, no photopolymerization initiator has been found that provides a satisfactory effect when combined with polytetrahydropyranyl methacrylate as a base polymer. This is because the patterning characteristics of chemically amplified resists vary greatly depending on the type of polymer having a functional group, the type of photopolymerization initiator used together, and the combination thereof. To give an example, the following formula (II
The triphenylsulfonium hexafluoroantimonate represented by ) and the triphenylsulfonium hexafluoroarsenate represented by the following formula (III) have high sensitivity, but there is a risk of metal contamination in the semiconductor manufacturing process. In addition, 2-p- of the following formula (IV), which has no risk of metal contamination,
Toluenesulfonylacetophenone has the disadvantage that the generated acid is too strong and unexposed areas become alkali-soluble.
【0004】0004
【化2】[Case 2]
【0005】[0005]
【発明が解決しようとする課題】本発明の目的は、した
がって、半導体装置製造等において微細パターンの形成
に有用であり、かつメタル汚染の危険性がない化学増幅
型レジスト組成物を提供することにある。本発明のもう
1つの目的は、このようなレジスト組成物を使用したパ
ターニング方法を提供することにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a chemically amplified resist composition that is useful for forming fine patterns in semiconductor device manufacturing, etc., and is free from the risk of metal contamination. be. Another object of the present invention is to provide a patterning method using such a resist composition.
【0006】[0006]
【課題を解決するための手段】上記した目的は、本発明
によれば、官能基及び酸に対して不安定な基を有するポ
リマーをベースポリマーとして含有し、かつ該ベースポ
リマーに、光照射により酸を発生する光重合開始剤とし
て、次式(I)により表されるベンゾイントシレート:
[Means for Solving the Problems] According to the present invention, the above-mentioned object contains a polymer having a functional group and an acid-labile group as a base polymer, and the base polymer is exposed to light irradiation. Benzoin tosylate represented by the following formula (I) as a photopolymerization initiator that generates acid:
【0007】[0007]
【化3】[Chemical formula 3]
【0008】が添加されてなることを特徴とする化学増
幅型レジスト組成物;そして該レジスト組成物を使用し
、光照射によってパターニングを行うことを特徴とする
パターニング方法;によって達成することができる。This can be achieved by a chemically amplified resist composition characterized in that it contains the following: and a patterning method characterized in that patterning is carried out by light irradiation using the resist composition.
【0009】本発明のレジスト組成物のベースポリマー
は、官能基及び酸に対して不安定な基を有するポリマー
群から任意に選んで使用することができる。適当なポリ
マーは、本発明者らが発見の次式(V)により表される
ポリメタクリル酸テトラヒドロピラニル:The base polymer of the resist composition of the present invention can be arbitrarily selected from the group of polymers having functional groups and acid-labile groups. A suitable polymer is polytetrahydropyranyl methacrylate, which was discovered by the present inventors and is represented by the following formula (V):
【0010】0010
【化4】[C4]
【0011】のほか、次のようなアクリル系ポリマー(
VI)及び(VII)をあげることができる。In addition to [0011], the following acrylic polymers (
VI) and (VII).
【0012】0012
【化5】[C5]
【0013】上式(VI)のポリマーの例としてはポリ
(メタクリル酸 tert.−ブチル)、ポリ(メタク
リル酸ジメチルベンジル)などがあり、また、上式(V
II)のポリマーの例としてはポリ(tert.−ブト
キシカルボニロキシスチレン)、ポリ(tert.−ブ
トキシカルボニロキシ−α−メチルスチレン)などがあ
る。Examples of the polymer of the above formula (VI) include poly(tert.-butyl methacrylate) and poly(dimethylbenzyl methacrylate);
Examples of polymers II) include poly(tert.-butoxycarbonyloxystyrene) and poly(tert.-butoxycarbonyloxy-α-methylstyrene).
【0014】ベースポリマーに添加して用いられる光重
合開始剤は、本発明のレジスト組成物の場合、前式(I
)により表されるベンゾイントシレートである。ベンゾ
イントシレートは、好ましくは、ベースポリマーに対し
て約1〜10重量%の量で添加せしめられる。このベン
ゾイントシレートは、光照射によって強酸であるスルホ
ン酸を生じ、高感度で、パターンを形成できる。また、
発生する酸の強さは2−p−トルエンスルホニルアセト
フェノンのように未露光部をアルカリ可溶性にするほど
ではない。In the case of the resist composition of the present invention, the photopolymerization initiator added to the base polymer has the formula (I
) is a benzointosylate represented by Benzointosylate is preferably added in an amount of about 1 to 10% by weight, based on the base polymer. This benzoin tosylate produces sulfonic acid, which is a strong acid, when irradiated with light, and can form patterns with high sensitivity. Also,
The strength of the generated acid is not strong enough to make the unexposed area soluble in alkali like 2-p-toluenesulfonylacetophenone.
【0015】本発明のレジスト組成物は、通常、メチル
ソロソルブなどのような有機溶媒に溶解して、例えばス
ピンコート法などによって被処理基板上に適用すること
ができる。さらにまた、得られるレジストパターンは、
高感度に加えて、パターンプロファイルが良いなどの注
目すべき効果を奏する。The resist composition of the present invention can be usually dissolved in an organic solvent such as methyl sorosolve and applied onto a substrate to be processed, for example, by spin coating. Furthermore, the obtained resist pattern is
In addition to high sensitivity, it has notable effects such as a good pattern profile.
【0016】[0016]
【作用】本発明のレジスト組成物は化学増幅型レジスト
であり、よって、前記した通り、光重合開始剤として用
いられるベンゾイントシレートから放出されるスルホン
酸の作用に依存するところが大である。すなわち、強酸
であるスルホン酸が高感度獲得等の担い手となっている
。[Operation] The resist composition of the present invention is a chemically amplified resist, and therefore, as described above, it largely depends on the action of sulfonic acid released from benzoin tosylate used as a photopolymerization initiator. In other words, sulfonic acid, which is a strong acid, is responsible for achieving high sensitivity.
【0017】[0017]
【実施例】以下、本発明をその実施例及び比較例につい
て説明する。[Examples] The present invention will be explained below with reference to Examples and Comparative Examples.
【0018】比較例1
レジストとして、ポリメタクリル酸テトラヒドロピラニ
ルとトリフェニルスルホニウムヘキサフルオロアンチモ
ネート(ポリマーに対して10重量%)のシクロヘキサ
ノン溶液(20重量%)を作成した。これをSi ウエ
ーハ上に塗布し、その後 100℃で20分間ベークし
て1.0μm厚の膜を形成した。 KrFエキシマステ
ッパーで露光後、 100℃で60秒間ベークを行い、
その後アルカリ現像液(東京応化(株)製“NMD−3
”)で1分間現像した。得られたレジストパターンの感
度は20mJ/cm2 であった。Comparative Example 1 As a resist, a cyclohexanone solution (20% by weight) of polytetrahydropyranyl methacrylate and triphenylsulfonium hexafluoroantimonate (10% by weight based on the polymer) was prepared. This was applied onto a Si wafer and then baked at 100° C. for 20 minutes to form a 1.0 μm thick film. After exposure with a KrF excimer stepper, bake at 100°C for 60 seconds.
Then, use an alkaline developer (“NMD-3” manufactured by Tokyo Ohka Co., Ltd.).
") for 1 minute. The sensitivity of the resulting resist pattern was 20 mJ/cm2.
【0019】実施例1
レジストとして、ポリメタクリル酸テトラヒドロピラニ
ルと前式(I)のベンゾイントシレート(ポリマーに対
して10重量%)のシクロヘキサノン溶液(20重量%
)を作成した。これをSi ウエーハ上に塗布し、その
後100℃で20分間ベークして1.0μm厚の膜を形
成した。 KrFエキシマステッパーで露光後、 10
0℃で60秒間ベークを行い、その後アルカリ現像液で
1分間現像した。得られたレジストパターンの感度は0
.3mJ/cm2 と、高感度化した。Example 1 A cyclohexanone solution (20% by weight based on the polymer) of polytetrahydropyranyl methacrylate and benzointosylate (10% by weight based on the polymer) of the above formula (I) was used as a resist.
)It was created. This was applied onto a Si wafer and then baked at 100° C. for 20 minutes to form a 1.0 μm thick film. After exposure with KrF excimer stepper, 10
Baking was performed at 0° C. for 60 seconds, and then development was performed with an alkaline developer for 1 minute. The sensitivity of the obtained resist pattern is 0
.. The sensitivity was increased to 3 mJ/cm2.
【0020】実施例2
レジストとして、ポリメタクリル酸テトラヒドロピラニ
ルと前式(I)のベンゾイントシレート(ポリマーに対
して1重量%)のシクロヘキサノン溶液(20重量%)
を作成した。これをSi ウエーハ上に塗布し、その後
100℃で20分間ベークして1.0μm厚の膜を形
成した。 KrFエキシマステッパーで露光後、 10
0℃で60秒間ベークを行い、その後アルカリ現像液で
1分間現像した。得られたレジストパターンの感度は、
少ない光重合開始剤量にもかかわらず、10mJ/cm
2 と高感度化した。Example 2 As a resist, a cyclohexanone solution (20% by weight) of polytetrahydropyranyl methacrylate and benzointosylate of the above formula (I) (1% by weight based on the polymer) was used.
It was created. This was applied onto a Si wafer and then baked at 100° C. for 20 minutes to form a 1.0 μm thick film. After exposure with KrF excimer stepper, 10
Baking was performed at 0° C. for 60 seconds, and then development was performed with an alkaline developer for 1 minute. The sensitivity of the obtained resist pattern is
10mJ/cm despite the small amount of photoinitiator
2 and high sensitivity.
【0021】比較例2
レジストとして、ポリ(メタクリル酸tert−ブチル
)とトリフェニルスルホニウムヘキサフルオロアンチモ
ネート(ポリマーに対して10重量%)のシクロヘキサ
ノン溶液(20wt%)を作成した。これをSi ウエ
ーハ上に塗布し、その後 100℃で20分間ベークし
て1.0μm厚の膜を形成した。 KrFエキシマステ
ッパーで露光後、 100℃で60秒間ベークを行い、
その後アルカリ現像液で1分間現像した。得られたレジ
ストパターンの感度は50〜60mJ/cm2 で、0
.7μmL&Sパターンが解像したが、パターン上部が
、でっぱったパターンとなった。Comparative Example 2 A cyclohexanone solution (20 wt %) of poly(tert-butyl methacrylate) and triphenylsulfonium hexafluoroantimonate (10 wt % based on the polymer) was prepared as a resist. This was applied onto a Si wafer and then baked at 100° C. for 20 minutes to form a 1.0 μm thick film. After exposure with a KrF excimer stepper, bake at 100°C for 60 seconds.
Thereafter, it was developed with an alkaline developer for 1 minute. The sensitivity of the obtained resist pattern was 50 to 60 mJ/cm2, and 0
.. A 7 μm L&S pattern was resolved, but the upper part of the pattern was protruding.
【0022】実施例3
レジストとして、ポリ(メタクリル酸tert−ブチル
)と前式(I)のベンゾイントシレート(ポリマーに対
して10重量%)のシクロヘキサノン溶液(10wt%
)を作成した。これをSi ウエーハ上に塗布し、その
後 100℃で20分間ベークして1.0μm厚の膜を
形成した。 KrFエキシマステッパーで露光後、 1
00℃で60秒間ベークを行い、その後アルカリ現像液
で1分間現像した。得られたレジストパターンの感度は
8〜10mJ/cm2 で、0.4μmL&Sパターン
が解像した。パターンプロファイルも“でっぱり”のな
い良好なものであった。本例において、光重合開始剤(
フォトアシッドジェネレータ)をトリフェニルスルホニ
ウムヘキサフルオロアンチモネートよりベンゾイントシ
レートに変えることによって、高感度化ならびにパター
ンプロファイルの改善がなされた。Example 3 As a resist, a cyclohexanone solution (10 wt %) of poly(tert-butyl methacrylate) and benzointosylate (10 wt % based on the polymer) of the above formula (I) was used.
)It was created. This was applied onto a Si wafer and then baked at 100° C. for 20 minutes to form a 1.0 μm thick film. After exposure with KrF excimer stepper, 1
Baking was performed at 00° C. for 60 seconds, and then development was performed with an alkaline developer for 1 minute. The sensitivity of the obtained resist pattern was 8 to 10 mJ/cm2, and a 0.4 μm L&S pattern was resolved. The pattern profile was also good with no "bulges". In this example, a photopolymerization initiator (
By changing the photoacid generator from triphenylsulfonium hexafluoroantimonate to benzoin tosylate, higher sensitivity and improved pattern profiles were achieved.
【0023】[0023]
【発明の効果】以上説明したように、本発明によれば、
光重合開始剤としてベンゾイントシレートを用いること
により、飛躍的に高感度化が達成でき、スループット向
上に寄与するところが大きい。また、本発明によれば、
良好なレジストパターンプロファイルも得ることができ
る。[Effects of the Invention] As explained above, according to the present invention,
By using benzoin tosylate as a photopolymerization initiator, a dramatic increase in sensitivity can be achieved, which greatly contributes to improving throughput. Further, according to the present invention,
A good resist pattern profile can also be obtained.
Claims (3)
するポリマーをベースポリマーとして含有し、かつ該ベ
ースポリマーに、光照射により酸を発生する光重合開始
剤として、次式(I)により表されるベンゾイントシレ
ート: 【化1】 が添加されてなることを特徴とする化学増幅型レジスト
組成物。Claim 1: A photopolymerization initiator containing a polymer having a functional group and an acid-labile group as a base polymer and generating an acid upon irradiation of the base polymer with the following formula (I): A chemically amplified resist composition characterized in that a benzointosylate represented by: [Chemical formula 1] is added.
ベースポリマーに対して1〜10重量%であることを特
徴とする請求項1に記載の化学増幅型レジスト組成物。2. The chemically amplified resist composition according to claim 1, wherein a mixing ratio of the benzoin tosylate is 1 to 10% by weight based on the base polymer.
物を使用し、光照射によってパターニングを行うことを
特徴とするパターニング方法。3. A patterning method comprising using the resist composition according to claim 1 or 2 and performing patterning by light irradiation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3052056A JPH04287041A (en) | 1991-03-18 | 1991-03-18 | Chemical amplification type resist composition and patterning method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3052056A JPH04287041A (en) | 1991-03-18 | 1991-03-18 | Chemical amplification type resist composition and patterning method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04287041A true JPH04287041A (en) | 1992-10-12 |
Family
ID=12904155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3052056A Withdrawn JPH04287041A (en) | 1991-03-18 | 1991-03-18 | Chemical amplification type resist composition and patterning method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04287041A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5344742A (en) * | 1993-04-21 | 1994-09-06 | Shipley Company Inc. | Benzyl-substituted photoactive compounds and photoresist compositions comprising same |
KR100796585B1 (en) * | 2001-02-08 | 2008-01-21 | 후지필름 가부시키가이샤 | Radiation sensitive resist composition |
-
1991
- 1991-03-18 JP JP3052056A patent/JPH04287041A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5344742A (en) * | 1993-04-21 | 1994-09-06 | Shipley Company Inc. | Benzyl-substituted photoactive compounds and photoresist compositions comprising same |
KR100796585B1 (en) * | 2001-02-08 | 2008-01-21 | 후지필름 가부시키가이샤 | Radiation sensitive resist composition |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100301354B1 (en) | Resist Composition and Resist Pattern Formation Method | |
JP3763693B2 (en) | Photosensitive composition and pattern forming method | |
JP3751065B2 (en) | Resist material and resist pattern forming method | |
US6235448B1 (en) | Photoresist monomers, polymers thereof, and photoresist compositions containing the same | |
DE10393820T5 (en) | Positive type silicone amplification photoresist composition of chemical amplification type | |
JPH07191463A (en) | Resist and production of semiconductor device using the same | |
US20020019560A1 (en) | Novel photoresist cross-linker and photoresist composition comprising the same | |
JP2004045513A (en) | Chemically amplified resist material and patterning method using the same | |
TW201234109A (en) | Compositions comprising base-reactive component and processes for photolithography | |
JPH09244247A (en) | Resist material and resist pattern forming method | |
JP4527827B2 (en) | Photoresist crosslinking agent, photoresist composition, photoresist pattern forming method, and semiconductor device | |
US6787285B2 (en) | Pattern width slimming-inhibiting method of photoresist pattern using photoresist composition containing thermal acid generator | |
JP3587770B2 (en) | Copolymer for photoresist and method for producing the same, photoresist composition, method for forming photoresist pattern, and semiconductor device | |
JPH08262702A (en) | Wet chemically developable and etch-stable photoresist for ultraviolet radiation with wavelength of less than 200 nm | |
JP3840052B2 (en) | Resin resin | |
JP4212515B2 (en) | Resist monomer | |
JP3547376B2 (en) | Copolymer for photoresist and method for producing the same, photoresist composition, method for forming photoresist pattern, and semiconductor device | |
US6866986B2 (en) | Method of 193 NM photoresist stabilization by the use of ion implantation | |
JPH03192260A (en) | Maleimido containing negative processing type deep uv photoresist | |
JP4356090B2 (en) | Silicon-containing resist composition and method of forming patterned material on a substrate (low silicon outgassing resist for two-layer lithography) | |
JPH04287041A (en) | Chemical amplification type resist composition and patterning method | |
JPH10301283A (en) | Photosensitive composition and pattern forming method using the same | |
JP2005015763A (en) | Photoresist polymer, photoresist composition, photoresist pattern-forming method and semiconductor element | |
JP3586048B2 (en) | Alkali resist | |
KR20010011767A (en) | Novel photoresist polymer and photoresist composition containing it |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19980514 |