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    • 1. 发明授权
    • Potosensitive composition and method of forming a pattern using the same
    • 波纹组合物和使用其形成图案的方法
    • US5332648A
    • 1994-07-26
    • US813694
    • 1991-12-27
    • Naoko KiharaFumihiko YuasaTohru UshirogouchiTsukasa TadaOsamu SasakiTakuya NaitoSatoshi Saito
    • Naoko KiharaFumihiko YuasaTohru UshirogouchiTsukasa TadaOsamu SasakiTakuya NaitoSatoshi Saito
    • G03F7/004G03F7/039H01L21/027H01L21/30G03C1/73
    • G03F7/0045Y10S430/115Y10S430/116Y10S430/118
    • A photosensitive composition comprising: an acid-decomposable compound having at least one substituent which is decomposed by an acid, forming a product which reacts with alkali solution and forms --COO.sup.- or --SO.sub.3.sup.- ; and a compound which generates an acid when exposed to a chemical radiation. If necessary, the composition further comprises an alkali-soluble polymer. The acid-decomposable compound is one which is represented by the following formula (1), and the alkali-soluble polymer has a softening point of 150.degree. C. or more and an average molecular weight of 3000 to 8000. When used as photoresist, the composition can form a fine resist pattern. ##STR1## where R.sub.1 and R.sub.2 are either the same or different, each of which represents at least one selected from the group consisting of hydrogen, halogen atom, cyano group, nitro group, silyl group, and monovalent organic group; X represents >C.dbd.O or --SO.sub.2 --; Y represents a divalent organic group; R.sub.1 and R.sub.2 can be bonded together, forming a ring; and at least one of R.sub.1, R.sub.2, and Y has a substituent which is decomposed by an acid.
    • 一种光敏组合物,其包含:具有至少一个被酸分解的取代基的酸可分解化合物,形成与碱溶液反应形成-COO-或-SO 3 - 的产物; 以及当暴露于化学辐射时产生酸的化合物。 如果需要,组合物还包含碱溶性聚合物。 酸分解性化合物是由下式(1)表示的化合物,碱溶性聚合物的软化点为150℃以上,平均分子量为3000〜8000。当用作光致抗蚀剂时, 该组合物可形成精细的抗蚀剂图案。 (1)其中R1和R2相同或不同,它们各自表示选自氢,卤素原子,氰基,硝基,甲硅烷基和一价有机基团中的至少一种; X表示> C = O或-SO 2 - ; Y表示二价有机基团; R1和R2可以结合在一起,形成环; R 1,R 2和Y中的至少一个具有被酸分解的取代基。
    • 3. 发明授权
    • Photosensitive composition and method of forming a pattern using the same
    • 光敏组合物和使用其形成图案的方法
    • US06306553B1
    • 2001-10-23
    • US08473963
    • 1995-06-07
    • Naoko KiharaFumihiko YuasaTohru UshirogouchiTsukasa TadaOsamu SasakiTakuya NaitoSatoshi Saito
    • Naoko KiharaFumihiko YuasaTohru UshirogouchiTsukasa TadaOsamu SasakiTakuya NaitoSatoshi Saito
    • G03C176
    • G03F7/0045Y10S430/115Y10S430/116Y10S430/118
    • A photosensitive composition comprising: an acid-decomposable compound having at least one substituent which is decomposed by an acid, forming a product which reacts with alkali solution and forms —COO− or —SO3−; and a compound which generates an acid when exposed to a chemical radiation. If necessary, the composition further comprises an alkali-soluble polymer. The acid-decomposable compound is one which is represented by the following formula (1), and the alkali-soluble polymer has a softening point of 150° C. or more and an average molecular weight of 3000 to 8000. When used as photoresist, the composition can form a fine resist pattern. where R1 and R2 are either the same or different, each of which represents at least one selected from the group consisting of hydrogen, halogen atom, cyano group, nitro group, silyl group, and monovalent organic group; X represents >C═O or —SO2—; Y represents a divalent organic group; R1 and R2 can be bonded together, forming a ring; and at least one of R1, R2, and Y has a substituent which is decomposed by an acid.
    • 一种光敏组合物,其包含:具有至少一个被酸分解的取代基的酸可分解化合物,形成与碱溶液反应形成-COO-或-SO 3 - 的产物; 以及当暴露于化学辐射时产生酸的化合物。 如果需要,组合物还包含碱溶性聚合物。 酸分解性化合物是由下式(1)表示的化合物,碱溶性聚合物的软化点为150℃以上,平均分子量为3000〜8000。当用作光致抗蚀剂时, 该组合物可以形成精细的抗蚀剂图案,其中R1和R2相同或不同,它们各自表示选自氢,卤素原子,氰基,硝基,甲硅烷基和一价有机基团中的至少一种 组; X表示> C = O或-SO 2 - ; Y表示二价有机基团; R1和R2可以结合在一起,形成环; R 1,R 2和Y中的至少一个具有被酸分解的取代基。
    • 8. 发明授权
    • Method of forming patterns
    • 形成图案的方法
    • US06168897A
    • 2001-01-02
    • US09277744
    • 1999-03-29
    • Toru UshirogouchiMakoto NakaseTakuya NaitoKoji Asakawa
    • Toru UshirogouchiMakoto NakaseTakuya NaitoKoji Asakawa
    • G03F700
    • G03F7/0045G03F7/039G03F7/09G03F7/091G03F7/2004G03F7/2006
    • Disclosed is a method of forming a pattern on a substrate, comprising a step of forming a light-sensitive layer containing an aromatic compound on a substrate, a step of patternwise exposing the light-sensitive layer with a light having a wavelength range shorter than the maximum wavelength in the third absorption band from the long-wave side in the absorption spectrum of the aromatic compound and longer than the maximum wavelength in the fourth absorption band from the same, thereby to cause a photochemical reaction in the light-sensitive layer, and a step of developing the exposed light-sensitive layer, optionally after heat-treating the layer, so as to selectively remove the exposed area of the layer or leave the area as it is. The method gives a pattern having a high resolving power and an excellent dry-etching resistance.
    • 公开了一种在基板上形成图案的方法,包括在基板上形成含有芳族化合物的感光层的步骤,使用波长范围短于 在芳族化合物的吸收光谱中的长波侧的第三吸收带中的最大波长比第四吸收带中的最大波长长,从而在感光层中引起光化学反应, 任选地在热处理该层之后,显影出曝光的感光层的步骤,以选择性地去除该层的曝光区域,或者直接离开该区域。 该方法给出了具有高分辨能力和优异的耐干蚀刻性的图案。
    • 9. 发明授权
    • Photosensitive material
    • 感光材料
    • US6060207A
    • 2000-05-09
    • US499974
    • 1995-07-10
    • Naomi ShidaToru UshirogouchiTakuya NaitoMakoto Nakase
    • Naomi ShidaToru UshirogouchiTakuya NaitoMakoto Nakase
    • G03F7/004G03F7/039G03F7/008
    • G03F7/039G03F7/0045Y10S430/111Y10S430/115Y10S430/122
    • A photosensitive material which is very low in absorption of a light source of short wavelength and excellent in dry etch resistance. This photosensitive material comprises a compound having a terpenoid skeleton. Preferably, the compound having a terpenoid skeleton is a compound having a monovalent menthyl group or menthyl derivative group which can be represented by the general formula (1). ##STR1## wherein R is a hydrogen atom or a monovalent hydrocarbon group, R.sup.1 may be the same with or different from each other and individually represents a hydrogen atom, a halogen atom, a hydrocarbon group, a hydroxyl group, an alkoxyl group, an amino group, an alkoxy group, an amino group, an imide group, an amide group, or a sulfonyl group, a carboxyl group, a carbonyl group, or a sulfonamide group, and a pair of neighboring R.sup.1 may be connected together to form a closed ring.
    • 一种感光材料,其对短波长的光源的吸收非常低,并且具有优异的耐干蚀刻性。 该感光材料包含具有萜类骨架的化合物。 优选具有萜类骨架的化合物是具有可以由通式(1)表示的一价薄荷基或薄荷基衍生物基团的化合物。 其中R为氢原子或一价烃基,R 1可以相同或不同,分别表示氢原子,卤素原子,烃基,羟基,烷氧基,氨基, 烷氧基,氨基,酰亚胺基,酰胺基或磺酰基,羧基,羰基或磺酰胺基,并且一对相邻的R 1可以连接在一起形成封闭环。