JP2001249460A5 - - Google Patents

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JP2001249460A5
JP2001249460A5 JP2000318057A JP2000318057A JP2001249460A5 JP 2001249460 A5 JP2001249460 A5 JP 2001249460A5 JP 2000318057 A JP2000318057 A JP 2000318057A JP 2000318057 A JP2000318057 A JP 2000318057A JP 2001249460 A5 JP2001249460 A5 JP 2001249460A5
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radiation
acid
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JP2000318057A
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JP4272805B2 (en
JP2001249460A (en
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【特許請求の範囲】
【請求項1】 (a)下記一般式(I)で示される酸分解性基を有し、酸の作用により分解し、アルカリ現像液中での溶解度が増大する樹脂、

(b−1)活性光線又は放射線の照射により酸を発生し、前記酸分解性基の分解反応に寄与する化合物のうち少なくとも1種、
(b−2)活性光線又は放射線の照射により酸を発生し、前記酸分解性基の分解反応に寄与しない化合物のうち少なくとも1種、
(c)界面活性剤、及び
(d)溶剤
を含有することを特徴とするポジ型感放射線性組成物。
【化1】

Figure 2001249460
一般式(I)中、R1は炭素数1〜4個のアルキル基を表す。Wは、酸素原子、窒素原子、イオウ原子、リン原子及び珪素原子からなる群から選択される少なくとも1種の原子と少なくとも1つの炭素原子を含有する有機基、アミノ基、アンモニウム基、メルカプト基、置換あるいは無置換のアリール基、又は置換あるいは無置換の環状アルキル基を表す。nは、1〜4の整数を表す。
【請求項2】 前記(a)の樹脂が、フェノール性水酸基を含有するアルカリ可溶性樹脂における該フェノール性水酸基の少なくとも一部が前記一般式(I)で示される酸分解性基で保護されている樹脂であることを特徴とする請求項1に記載のポジ型感放射線性組成物。
【請求項3】 前記一般式(I)のWが、下記で示される置換基の群から選択される少なくとも1種の置換基であることを特徴とする請求項1に記載のポジ型感放射線性組成物。
【化2】
Figure 2001249460
上記式中:
2は、水素原子、炭素数1〜6個の直鎖状、分岐状あるいは環状のアルキル基、炭素数2〜6個の直鎖状、分岐状あるいは環状のアルケニル基、置換あるいは無置換のアリール基、又は置換あるいは無置換のアラルキル基を表す。
3は、水素原子、炭素数1〜6個の直鎖状、分岐状あるいは環状のアルキル基、炭素数1〜6個の直鎖状、分岐状あるいは環状のアルコキシ基、ハロゲン原子、ニトロ基、アミノ基、水酸基、又はシアノ基を表す。
Xは、ハロゲン原子を表す。
4は、置換あるいは無置換のアリール基、又は置換あるいは無置換の炭素数3〜15個の環状アルキル基を表す。
mは、1〜4の自然数である。
【請求項4】 (b−1)の化合物が、活性光線又は放射線の照射によりスルホン酸を発生する化合物であり、(b−2)の化合物が、活性光線又は放射線の照射によりカルボン酸を発生する化合物であることを特徴とする請求項1に記載のポジ型感放射線性組成物。
【請求項5】 有機塩基性化合物を含有することを特徴とする請求項1〜4のいずれかに記載のポジ型感放射線性組成物。
【請求項6】 請求項1〜5のいずれかに記載のポジ型感放射線性組成物により膜を形成し、当該膜を露光、現像することを特徴とするパターン形成方法。 [Claims]
(A) a resin having an acid-decomposable group represented by the following general formula (I), decomposed by the action of an acid, and having increased solubility in an alkali developer:

(B-1) at least one of compounds that generate an acid upon irradiation with actinic rays or radiation and contribute to the decomposition reaction of the acid-decomposable group,
(B-2) at least one compound that generates an acid upon irradiation with actinic rays or radiation and does not contribute to the decomposition reaction of the acid-decomposable group;
A positive-type radiation-sensitive composition comprising (c) a surfactant and (d) a solvent.
Embedded image
Figure 2001249460
In the general formula (I), R 1 represents an alkyl group having 1 to 4 carbon atoms. W is an organic group containing at least one atom selected from the group consisting of an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom and a silicon atom and at least one carbon atom, an amino group, an ammonium group, a mercapto group, Represents a substituted or unsubstituted aryl group or a substituted or unsubstituted cyclic alkyl group. n represents an integer of 1 to 4.
2. In the resin (a), at least a part of the phenolic hydroxyl group in an alkali-soluble resin containing a phenolic hydroxyl group is protected by an acid-decomposable group represented by the general formula (I). The positive radiation-sensitive composition according to claim 1, which is a resin.
3. The positive-type radiation-sensitive radiation according to claim 1, wherein W in the general formula (I) is at least one substituent selected from the group of substituents shown below. Composition.
Embedded image
Figure 2001249460
In the above formula:
R 2 is a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 6 carbon atoms, a linear, branched or cyclic alkenyl group having 2 to 6 carbon atoms, a substituted or unsubstituted Represents an aryl group or a substituted or unsubstituted aralkyl group.
R 3 represents a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 6 carbon atoms, a linear, branched or cyclic alkoxy group having 1 to 6 carbon atoms, a halogen atom, a nitro group. , An amino group, a hydroxyl group, or a cyano group.
X represents a halogen atom.
R 4 represents a substituted or unsubstituted aryl group or a substituted or unsubstituted cyclic alkyl group having 3 to 15 carbon atoms.
m is a natural number of 1 to 4.
4. The compound (b-1) is a compound that generates a sulfonic acid upon irradiation with an actinic ray or radiation, and the compound (b-2) generates a carboxylic acid upon irradiation with an actinic ray or radiation. The positive-working radiation-sensitive composition according to claim 1, wherein the composition is a compound.
5. The positive radiation-sensitive composition according to claim 1, further comprising an organic basic compound.
6. A pattern forming method comprising: forming a film from the positive-type radiation-sensitive composition according to claim 1; and exposing and developing the film.

JP2000318057A 1999-12-27 2000-10-18 Positive radiation sensitive composition Expired - Lifetime JP4272805B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000318057A JP4272805B2 (en) 1999-12-27 2000-10-18 Positive radiation sensitive composition

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP37035599 1999-12-27
JP11-370355 1999-12-27
JP2000318057A JP4272805B2 (en) 1999-12-27 2000-10-18 Positive radiation sensitive composition

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JP2001249460A JP2001249460A (en) 2001-09-14
JP2001249460A5 true JP2001249460A5 (en) 2006-01-12
JP4272805B2 JP4272805B2 (en) 2009-06-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7214465B2 (en) 2002-01-10 2007-05-08 Fujifilm Corporation Positive photosensitive composition

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3238465B2 (en) * 1991-04-30 2001-12-17 株式会社東芝 Pattern forming resist and pattern forming method
JP3549592B2 (en) * 1994-11-02 2004-08-04 クラリアント インターナショナル リミテッド Radiation-sensitive composition
JP3942263B2 (en) * 1997-03-05 2007-07-11 信越化学工業株式会社 Polymer compound, chemically amplified positive resist material, and pattern forming method
JP3991462B2 (en) * 1997-08-18 2007-10-17 Jsr株式会社 Radiation sensitive resin composition
JPH11167199A (en) * 1997-12-03 1999-06-22 Fuji Photo Film Co Ltd Positive photoresist composition
JP3955385B2 (en) * 1998-04-08 2007-08-08 Azエレクトロニックマテリアルズ株式会社 Pattern formation method
TWI250379B (en) * 1998-08-07 2006-03-01 Az Electronic Materials Japan Chemical amplified radiation-sensitive composition which contains onium salt and generator
US6200728B1 (en) * 1999-02-20 2001-03-13 Shipley Company, L.L.C. Photoresist compositions comprising blends of photoacid generators
JP4023086B2 (en) * 1999-12-27 2007-12-19 和光純薬工業株式会社 Sulfonium salt compound

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