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    • 3. 发明授权
    • Method of forming resist pattern
    • 形成抗蚀剂图案的方法
    • US08043795B2
    • 2011-10-25
    • US12441704
    • 2007-09-18
    • Jun Iwashita
    • Jun Iwashita
    • G03F7/00G03F7/004G03F7/26G03F7/40
    • G03F7/0035G03F7/0048G03F7/70466Y10S430/114Y10S430/128
    • Disclosed is a method of forming a resist pattern, including: applying a positive resist composition on a support 1 to form a first resist film 2; selectively exposing the first resist film 2 through a first mask pattern, and developing it to form a first resist pattern 3; applying a negative resist composition including an organic solvent (S″) containing an alcohol-based organic solvent on the support 1 that the first resist pattern 3 is formed, thereby forming a second resist film 6; and selectively exposing the second resist film 6 through a second mask pattern, and developing it to form a resist pattern denser than the first resist pattern 3.
    • 公开了一种形成抗蚀剂图案的方法,包括:将正性抗蚀剂组合物涂覆在载体1上以形成第一抗蚀剂膜2; 通过第一掩模图案选择性地暴露第一抗蚀剂膜2,并使其显影以形成第一抗蚀剂图案3; 将包含含有醇类有机溶剂的有机溶剂(S“)的负性抗蚀剂组合物涂布在形成第一抗蚀剂图案3的支撑体1上,从而形成第二抗蚀剂膜6; 并且通过第二掩模图案选择性地暴露第二抗蚀剂膜6,并使其显影以形成比第一抗蚀剂图案3更致密的抗蚀剂图案。
    • 5. 发明申请
    • Resist composition and method of forming resist pattern
    • 抗蚀剂图案的抗蚀剂组成和方法
    • US20090297980A1
    • 2009-12-03
    • US12453857
    • 2009-05-26
    • Jun IwashitaShogo MatsumaruSho Abe
    • Jun IwashitaShogo MatsumaruSho Abe
    • G03F7/20G03F7/004
    • G03F7/0397G03F7/0045G03F7/0382Y10S430/111
    • A novel resist composition and method of forming a resist pattern that can be used in lithography applications. The resist composition includes a base component (A) that exhibits changed solubility in an alkali developing solution under action of acid, and an acid generator component (B) that generates acid upon exposure, wherein the base component (A) contains a polymer compound (A1) having a structural unit (a0) represented by general formula (a0-1) shown below, wherein R1 represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a fluorinated alkyl group of 1 to 5 carbon atoms, R2 and R3 each independently represents a hydrogen atom or an alkyl group that may include an oxygen atom at an arbitrary position, or R2 and R3 are bonded together to form an alkylene group, and W represents a cyclic alkylene group that may include an oxygen atom at an arbitrary position.
    • 形成可用于光刻应用的抗蚀剂图案的新型抗蚀剂组合物和方法。 抗蚀剂组合物包括在酸的作用下在碱性显影液中显示改变的溶解性的基础组分(A)和暴露时产生酸的酸产生剂组分(B),其中所述碱性组分(A)含有高分子化合物 A1)具有下述通式(a0-1)表示的结构单元(a0),其中R1表示氢原子,1〜5个碳原子的烷基或1〜5个碳原子的氟化烷基,R2 和R 3各自独立地表示氢原子或可以在任意位置含有氧原子的烷基,或者R 2和R 3结合在一起形成亚烷基,W表示可以包含氧原子的环状亚烷基 任意的位置
    • 6. 发明申请
    • POLYMER COMPOUND, NEGATIVE RESIST COMPOSITION, AND METHOD OF FORMING RESIST PATTERN
    • 聚合物化合物,负极性组合物和形成耐药性图案的方法
    • US20090162785A1
    • 2009-06-25
    • US12065990
    • 2006-08-17
    • Jun IwashitaAyako Kusaka
    • Jun IwashitaAyako Kusaka
    • G03F7/20C08G63/06G03F7/00
    • C08F220/28C08F220/26G03F7/0046G03F7/0382Y10S430/114Y10S430/115Y10S430/128Y10S430/146
    • There are provided a polymer compound which can form a resist pattern with excellent resolution, and a negative resist composition containing the polymer compound and a resist pattern-forming method thereof.The present invention is a polymer compound containing a structural unit (a0) represented by a general formula (a0-1) shown below. (wherein, R represents a hydrogen atom, a halogen atom, an alkyl group or a halogenated alkyl group; and R0 represents an alkyl group containing a hydroxyl group.)Also, the present invention is a negative resist composition, including: an alkali soluble resin component (A), an acid generator component (B) that generates acid upon exposure, and a cross-linking agent (C), wherein the alkali soluble resin component (A) contains a polymer compound (A1) having a structural unit (a0) represented by the general formula (a0-1) shown above.
    • 提供了可以形成具有优异分辨率的抗蚀剂图案的高分子化合物和含有该高分子化合物的抗蚀剂组合物及其抗蚀剂图案形成方法。 本发明是含有下述通式(a0-1)表示的结构单元(a0)的高分子化合物。 (其中,R表示氢原子,卤素原子,烷基或卤代烷基,R 0表示含有羟基的烷基)。另外,本发明是负极性抗蚀剂组合物,其包含:碱溶性 树脂组分(A),暴露时产生酸的酸产生剂组分(B)和交联剂(C),其中碱溶性树脂组分(A)含有具有结构单元的高分子化合物(A1) a0),由上述通式(a0-1)表示。
    • 7. 发明申请
    • NEGATIVE RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN
    • 负极组合物和形成耐力图案的方法
    • US20090035697A1
    • 2009-02-05
    • US11909071
    • 2006-04-07
    • Jun Iwashita
    • Jun Iwashita
    • G03F7/027G03F7/20
    • G03F7/0046G03F7/0045G03F7/0382Y10S430/122Y10S430/123
    • A chemically amplified negative resist composition is provided in addition to a method of forming a resist pattern from which a desirable pattern shape can be obtained. A negative resist composition in which a resin component (A) contains a resin component (A1) having a structural unit (a1) containing an alicyclic group having a fluorinated hydroxyalkyl group and a structural unit (a2) derived from an acrylic acid ester and containing a hydroxyl group-containing alicyclic group; and an acid generator component (B) contains an acid generator (B1) expressed by the following general formula (B1): (where R51 represents a straight chain, branched chain or cyclic alkyl group or a fluorinated alkyl group; R52 represents a hydrogen atom, hydroxyl group, halogen atom, straight chain, branched chain or cyclic alkyl group, straight chain or branched chain halogenated alkyl group, or straight chain or branched chain alkoxy group; R53 represents an aryl group which may have a substituent; and n represents an integer of 1 to 3).
    • 除了形成可以获得期望的图案形状的抗蚀图案的方法之外,还提供了化学放大的负光刻胶组合物。 一种负型抗蚀剂组合物,其中树脂组分(A)含有具有含有具有氟化羟烷基的脂环族基团的结构单元(a1)和由丙烯酸酯衍生的结构单元(a2)的树脂组分(A1),并含有 含羟基的脂环族基团; 酸产生剂成分(B)含有下述通式(B1)表示的酸发生剂(B1):(式中,R 51表示直链,支链或环状烷基或氟代烷基; R52表示氢原子 ,羟基,卤素原子,直链,支链或环状烷基,直链或支链卤代烷基,或直链或支链烷氧基; R53表示可以具有取代基的芳基,n表示 1〜3的整数)。