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    • 31. 发明申请
    • SEMICONDUCTOR WAFER THINNING METHOD, AND THIN SEMICONDUCTOR WAFER
    • SEMICONDUCTOR WAFER THINNING METHOD,AND THIN SEMICONDUCTOR WAFER
    • WO01088970A1
    • 2001-11-22
    • PCT/JP2001/003947
    • 2001-05-11
    • B24B7/22B24B37/30H01L21/304H01L21/687
    • H01L21/304B24B7/228B24B41/068B24B49/00H01L21/6835H01L2221/68318H01L2221/68327H01L2221/6834H01L2221/68381Y10S438/928Y10S438/959Y10S438/977
    • A method for thinning a semiconductor wafer having a semiconductor element (2) on its surface, by polishing the back thereof. This method comprises bonding the surface of the semiconductor wafer (1) to a support (4) through an adhesive layer; polishing the back of the semiconductor wafer while holding the support; and separating the thinned semiconductor wafer from the support. Preferably, a semiconductor wafer is employed as the support, and a thermally separable double-coated sheet is employed as the adhesive layer. The semiconductor wafer is heated and separated after ground. As a result, the semiconductor wafer having a thickness of 120 ñm or less can be manufactured at a low cost while suppressing the cracking or chipping to a minimum at the working step. Thus, there is provided a semiconductor wafer which is made thinner than those of the prior art while having a diameter as large as 150 mm or more.
    • 一种通过对其表面进行抛光来在其表面上稀薄具有半导体元件(2)的半导体晶片的方法。 该方法包括通过粘合剂层将半导体晶片(1)的表面粘合到支撑体(4)上; 在保持支撑件的同时抛光半导体晶片的背面; 以及将薄化的半导体晶片与支撑体分离。 优选地,使用半导体晶片作为支撑体,并且使用可热分离的双层片作为粘合剂层。 研磨后将半导体晶片加热分离。 结果,可以以低成本制造厚度为120μm以下的半导体晶片,同时在工作步骤中将破裂或碎裂抑制到最小。 因此,提供了一种比现有技术薄的半导体晶片,同时具有大至150mm或更大的直径。
    • 33. 发明申请
    • CARRIER HEAD WITH MULTI-PART FLEXIBLE MEMBRANE
    • 带有多层柔性膜的载体头
    • WO01072472A2
    • 2001-10-04
    • PCT/US2001/007974
    • 2001-03-12
    • B24B7/22B24B37/30F16J3/02H01L21/304B24B37/04B24B41/06
    • B24B37/30F16J3/02
    • A carrier head (100) for a chemical mechanical polishing apparatus includes a flexible membrane (150) that applies a load to a substrate. The substrate backing assembly (112) includes an internal membrane (150), an external membrane (152), an internal membrane support structure (160), an upper membrane spacer ring (162), a lower membrane spacer ring (164), and an edge control ring (166). The volume between the base assembly (104) and the internal membrane (150) forms the upper chamber (154) and the internal chamber (156), and the volume between the internal membrane (150) and the external membrane (152) forms the outer chamber (158). The internal membrane (150) includes a circular central portion (170), a relatively thick annular portion (174), an annular inner flap (176) that extends from the corner of the thick portion (174), an annular outer flap (178) that extends from the outer rim of the thick portion (174) and an annular connector portion (172). The inner flap (176) and the outer flap (178) can be formed of a first elastomer, whereas the thick portion (174) and connector portion (172) can be formed of a second elastomer.
    • 用于化学机械抛光装置的承载头(100)包括向衬底施加负荷的柔性膜(150)。 衬底背衬组件(112)包括内膜(150),外膜(152),内膜支撑结构(160),上膜间隔环(162),下隔膜间隔环(164)和 边缘控制环(166)。 基部组件(104)和内膜(150)之间的体积形成上室(154)和内室(156),并且内膜(150)和外膜(152)之间的体积形成 外室(158)。 内膜(150)包括圆形中心部分(170),相对厚的环形部分(174),从厚壁部分(174)的角部延伸的环形内部折片(176),环形外部折片 ),其从所述厚部分(174)的外缘延伸并且环形连接器部分(172)延伸。 内翼片(176)和外翼片(178)可以由第一弹性体形成,而厚部分(174)和连接器部分(172)可以由第二弹性体形成。
    • 34. 发明申请
    • AUTOMATIC SMOOTHING AND POLISHING SYSTEM FOR PLATES AND BLOCKS MADE OF MARBLE, GRANITE AND STONE IN GENERAL
    • 大理石,石灰岩和石材板块和块的自动平滑和抛光系统
    • WO00054932A1
    • 2000-09-21
    • PCT/IT2000/000082
    • 2000-03-14
    • B24B7/06B24B7/22
    • B24B7/224B24B7/06
    • Automatic smoothing and polishing system for plates and blocks, generally of large sizes, made of marble, granite and plate in general, wherein during the translation of plates or blocks arranged along a conveyor belt (2), at least two rows of tool-holder heads (18) are made simultaneously interact so that the plates are worked along longitudinal portions to the advancement motion thereof. The tool-holder heads (8) arranged at the same height with respect to the plate advancement direction are provided with the same abrasive grain; moreover, the heads are made reciprocally integral by means of a carriage (6) provided with oscillating motion that is independent and transverse with respect to the advancement motion of the plates to be abraded.
    • 通常由大理石,花岗岩和板材制成的通常为大尺寸的板和块的自动平滑和抛光系统,其中在沿传送带(2)布置的板或块的平移期间,至少两排工具架 头部(18)被同时相互作用,使得板沿纵向部分被加工成其前进运动。 相对于板前进方向布置在相同高度的工具架头(8)设置有相同的磨粒; 此外,通过具有摆动运动的滑架(6)使头部相互整体成一体,该摆动运动相对于被磨削板的推进运动是独立的和横向的。
    • 37. 发明申请
    • GRINDING SPINDLE
    • 磨削主轴
    • WO99039873A1
    • 1999-08-12
    • PCT/DE1998/000592
    • 1998-02-27
    • B24B41/04B23Q5/04B24B7/22
    • B24B41/04
    • The invention relates to a grinding spindle, comprising a spindle housing and two coaxial shafts which are driven by a drive motor. A concentric grinding disk is fixed to each of said shafts. The shafts can be moved in an axial direction in relation to each other with a lifting or lowering movement in order to engage one grinding disk or the other. The inner shaft is connected to the drive motor as a main shaft (1) whilst the outer shaft (8) is coupled to said main shaft (1) by a carrier device (10). In addition, a bush (4) is coaxially semi-mounted on the spindle housing (3), the outer shaft (8) is pivotably mounted on the bush (4) with a pivot bearing (9) and the bush (4) is provided with an actuator (13) which executes the lifting or lowering movement.
    • 本发明涉及一种具有主轴壳体一个磨削主轴,并且由驱动马达轴驱动的,对其中的每一个被由两个同心的砂轮固定在两个同轴的,并且其是相对于轴向方向上彼此通过提升或下降运动中移动,从而使任选的 一个或另一个砂轮可以作为一个主轴相接合与内轴(1)连接到所述驱动马达,所述外轴(8)由一个驱动装置(10),在主轴(1),耦合到一个衬套(4 )同轴地被钩住在主轴壳体(3),所述外轴(8)的插座(4)由一旋转轴承的装置(9)上可旋转地安装,套管(4)(具有致动器13)被提供时,解除上 或下降运动执行。
    • 39. 发明申请
    • POLISHING MACHINE INCLUDING A PLATFORM ASSEMBLY MOUNTED ON THREE COLUMNS
    • 抛光机,包括安装在三个柱上的平台装配
    • WO99015312A1
    • 1999-04-01
    • PCT/US1998/017931
    • 1998-08-28
    • B24B41/02B24B7/17B24B7/22B24B37/08
    • B24B37/08B24B7/17B24B7/228
    • A polishing machine includes a platform assembly (60) slidably mounted on three support columns (32-36). The assembly (60) includes first and second platforms (64, 66) joined together and slidably movable toward and away from each other. A lift plate (114) is supported above the uppermost platform (64) by a coil spring, which allows adjustment of the pressure applied on an upper polish plate (20) which is suspended from the lift plate (114) by a supporting element which passes through the assembly (60). Drive shafts (72-76) are suspended from an overlying superstructure and engage the upper platform (64) so as to raise and lower the assembly (60) and the upper polish plate (20).
    • 抛光机包括可滑动地安装在三个支撑柱(32-36)上的平台组件(60)。 组件(60)包括连接在一起并且可滑动地相互移动和移开的第一和第二平台(64,66)。 升降板(114)通过螺旋弹簧支撑在最上平台(64)上方,该螺旋弹簧允许调节施加在由提升板(114)悬挂的上抛光板(20)上的压力由支撑元件 通过组件(60)。 驱动轴(72-76)悬挂在上层结构上并与上平台(64)接合,以便升高和降低组件(60)和上抛光板(20)。