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    • 2. 发明授权
    • I-ray sensitive positive resist composition
    • I-ray敏感抗蚀剂组成
    • US5413896A
    • 1995-05-09
    • US821806
    • 1992-01-17
    • Toru KajitaToshiyuki OtaYoshiji YumotoTakao Miura
    • Toru KajitaToshiyuki OtaYoshiji YumotoTakao Miura
    • C08G8/24G03F7/022G03F7/023G03F7/30
    • G03F7/0236C08G8/24G03F7/022
    • An i-ray sensitive positive resist composition: which (A) comprises an alkali-soluble novolak resin obtained by subjecting (a) a phenolic mixture of B to 95 mol % of 2,3-xylenol with 95 to 5 mol % of a phenol selected from mono-, di- and tri-methyl phenols other than 2,3-xylenol or (b) a phenolic mixture of 5 to 50 mol % of 8,4-xylenol with 95 to 50 mol % of a phenol selected from mono-, di- and tri-methyl phenols other than 3,4-xylenol to polycondensation together with an aldehyde, and a 1,2-quinonediazide compound, and (B) which has sensitivity to i-ray. There is also provided a method of forming a pattern, which comprises: (1) applying the i-ray sensitive positive resist composition to a wafer to form a photosensitive layer, (2) irradiating the photosensitive layer with i-ray through a predetermined pattern, and (3) developing the pattern with a developer.
    • 一种i射线敏感正性抗蚀剂组合物,其中(A)包含通过使(a)B至95mol%的2,3-二甲苯酚的酚类混合物与95至5mol%的苯酚(A)的碱溶性酚醛清漆树脂 选自2,3-二甲苯酚以外的单 - ,二 - 和三 - 甲基苯酚或(b)5-50mol%的8,4-二甲苯酚的酚类混合物和95-50mol%的选自单 - - 除3,4-二异戊烯酚以外的二 - 和三 - 甲基苯酚与醛缩合,和1,2-醌二叠氮化合物,和(B)对i射线具有敏感性。 还提供了形成图案的方法,其包括:(1)将i射线敏感正性抗蚀剂组合物施加到晶片以形成感光层,(2)通过预定图案以i射线照射感光层 ,(3)用开发者开发图案。
    • 3. 发明授权
    • Chemically amplified resist
    • 化学放大抗蚀剂
    • US5580695A
    • 1996-12-03
    • US339289
    • 1994-11-10
    • Makoto MurataTakao MiuraYoshiji YumotoToshiyuki OtaEiichi Kobayashi
    • Makoto MurataTakao MiuraYoshiji YumotoToshiyuki OtaEiichi Kobayashi
    • G03F7/004G03C1/73G03F7/038
    • G03F7/0045Y10S430/118Y10S430/121
    • A chemically amplified resist comprising an alkali-soluble resin or a resin having at least one acid-dissociable group which is alkali-insoluble or -sprairingly soluble but becomes alkali-soluble upon dissociation of said acid dissociable group due to an acid; a radiation-sensitive, acid-generating agent; and an optional component in which resist, the radiation-sensitive, acid-generating agent generates an acid upon irradiation with a radiation in the irradiated portion and the solubility of the resin component and optional component in a developing solution is varied in the irradiated portion by a chemical reaction caused by the catalytic action of the acid, whereby a pattern is formed, characterized in that a compound having a nitrogen-containing basic group is contained in the resist. Said resist is superior in developability, pattern form, resolution, focus tolerance and yield of residual film thickness, has good process stability, and can be suitably used even in irradiation with, in particular, a radiation having a wavelength equal to or smaller than far ultraviolet rays, for example, an excimer laser or the like.
    • 一种化学放大抗蚀剂,其包含碱溶性树脂或具有至少一种酸解离基团的树脂,所述酸解离基团是由于酸而导致的所述酸解离基团的解离时为碱不溶性或易溶性但是变得碱溶性的; 辐射敏感的酸产生剂; 以及任选的组分,其中抗辐射敏感的酸产生剂在照射部分中的辐射照射时产生酸,并且树脂组分和任选组分在显影溶液中的溶解度在照射部分中变化 由酸的催化作用引起的化学反应,由此形成图案,其特征在于在抗蚀剂中含有具有含氮碱性基团的化合物。 所述抗蚀剂的显影性,图案形式,分辨率,聚焦容限和残留膜厚度的产率优异,具有良好的工艺稳定性,并且可以适用于特别是具有等于或小于远的波长的辐射 紫外线,例如准分子激光等。
    • 7. 发明授权
    • Radiation-sensitive composition
    • 辐射敏感组合物
    • US5332650A
    • 1994-07-26
    • US941264
    • 1992-09-04
    • Makoto MurataMikio YamachikaYoshiji YumotoTakao Miura
    • Makoto MurataMikio YamachikaYoshiji YumotoTakao Miura
    • G03F7/039G03F7/004G03C1/52G03F7/023
    • G03F7/039Y10S430/111Y10S430/121Y10S430/122Y10S430/126
    • A radiation-sensitive composition comprising (A) a polymer having a recurring unit represented by formula (1): ##STR1## wherein R.sup.1 represents a substituted methyl group, a substituted ethyl group, a silyl group, a germyl group or an alkoxycarbonyl group, and R.sup.2 represents --OR.sup.3 or --NR.sup.4 R.sup.5 in which R.sup.3 is a hydrogen atom, a straight-chain alkyl group, a cyclic alkyl group, an aryl group, an aralkyl group, a substituted methyl group, a substituted ethyl group, a silyl group, a germyl group or an alkoxycarbonyl group, and R.sup.4 and R.sup.5 which may be the same or different, are hydrogen atoms, straight-chain alkyl groups, cyclic alkyl groups, aralkyl groups or aryl groups, and (B) a radiation-sensitive acid forming agent. Said radiation-sensitive composition can be suitably used as a resist composition which enables reliable fine processing, which has high sensitivity and high resolution degree, and which is superior in dry etching resistance, developability, adhesiveness, heat resistance and yield of residual film thickness.
    • 一种辐射敏感性组合物,其包含(A)具有由式(1)表示的重复单元的聚合物:其中R1表示取代的甲基,取代的乙基,甲硅烷基,甲锗烷基或 烷氧基羰基,R 2表示-OR 3或-NR 4 R 5,其中R 3为氢原子,直链烷基,环烷基,芳基,芳烷基,取代甲基,取代乙基, 甲硅烷基,甲锗烷基或烷氧基羰基,R 4和R 5可以相同或不同,为氢原子,直链烷基,环烷基,芳烷基或芳基,(B) 敏感的酸成型剂。 所述辐射敏感性组合物可以适当地用作能够进行可靠的精细加工的抗蚀剂组合物,其具有高灵敏度和高分辨度,并且其耐干蚀刻性,显影性,粘合性,耐热性和残留膜厚度的产率优异。
    • 9. 发明授权
    • Cleaning apparatus
    • 清洁装置
    • US4496102A
    • 1985-01-29
    • US391661
    • 1982-06-24
    • Takao MiuraIsao Miura
    • Takao MiuraIsao Miura
    • F16J15/18B05B3/02B05B3/04B08B9/093
    • B05B3/027B05B3/0445B08B9/0936
    • A cleaning apparatus including an ejector assembly (52, 54, 62, 64) with cleaning jets which rolls in a circular path around a housing (40) at a speed which is adjustable independent of the pressure of the liquid issuing from the cleaning jets of the ejector assembly. The liquid is fed under a predetermined high pressure to an ejection port (12c) in a stationary support member (12) through a first distribution path (12b) to form a driving jet, as well as to the ejector assembly through a second distribution path (10c, 42a, 42b, 50a, 50b, 54a, 54b, 52b) for forming the cleaning jets. The driving jet drives an impeller (20) whose rotation is transmitted to the housing by a gearing (28, 32, 16, 14), thereby moving the ejector assembly around the housing. The rotating or movement of the ejector assembly is provided by engagement of bevelled teeth (12a, 52a) on the support member and ejector assembly. The rotating speed of the ejector assembly is determined by a replaceable nozzle (38) having a selected diameter of nozzle hole or a nozzle housing (36') having an adjustable nozzle needle (68) therein. Either one of each shaft (10, 50) of the apparatus and a sleeve (42, 54) slidably engaged therewith is formed with an annular recess (50c) for receiving an improved sealing which ensures sealing between the shaft and the sleeve against a substantial magnitude of liquid pressure.
    • 一种清洁设备,包括具有清洁喷嘴的喷射器组件(52,54,62,64),所述喷射器组件以可以独立于从清洁喷嘴的清洗喷嘴发出的液体的压力可调节的速度围绕壳体(40)以圆形路径滚动 喷射器组件。 液体通过第一分配路径(12b)在预定高压下被供给到固定支撑构件(12)中的喷射口(12c),以形成驱动射流,以及通过第二分配路径 (10c,42a,42b,50a,50b,54a,54b,52b)。 驱动喷射器驱动叶轮(20),其旋转通过齿轮(28,32,16,14)传递到壳体,从而使喷射器组件围绕壳体移动。 喷射器组件的旋转或移动通过在支撑构件上的倾斜齿(12a,52a)和喷射器组件的接合来提供。 喷射器组件的旋转速度由具有选定直径的喷嘴孔的可更换喷嘴(38)或其中具有可调节喷嘴针(68)的喷嘴壳体(36')确定。 设备的每个轴(10,50)中的任一个和与其可滑动地接合的套筒(42,44)形成有用于接收改进的密封的环形凹部(50c),该密封确保轴和套筒之间的密封抵抗大体 液压大小。