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    • 2. 发明申请
    • METHOD FOR MANUFACTURING SEMICONDUCTOR CHIP AND METHOD FOR PROCESSING SEMICONDUCTOR WAFER
    • 制造半导体芯片的方法和加工半导体晶片的方法
    • WO2008023849A1
    • 2008-02-28
    • PCT/JP2007/066960
    • 2007-08-24
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.HAJI, HiroshiARITA, Kiyoshi
    • HAJI, HiroshiARITA, Kiyoshi
    • H01L21/78H01L21/308
    • H01L21/78B23K26/40B23K2203/50B28D5/00H01L21/0337H01L21/3086
    • In a laser processing step S3, boundary sections among semiconductor elements 2 of a resist film 4 are exposed to a laser beam 13a, to thus form in the resist film 4 boundary grooves 5-which partition the semiconductor elements 2 from each other-and to uncover a surface 1b of a semiconductor wafer 1 in the boundary grooves 5. In a plasma etching step S6, the surface 1b of the semiconductor wafer 1 exposed in the boundary grooves 5 is etched by means of plasma Pf of a fluorine-based gas, to thus separate the semiconductor wafer 1 into individual semiconductor chips 1' along the boundary grooves 5. Between the laser processing step S3 and the plasma etching step S6, there is performed processing pertaining to a boundary-groove-surface smoothing step S5 for smoothing, by means of plasma Po of oxygen gas, surfaces of the boundary grooves 5 having assumed an irregular shape in the laser processing step S3.
    • 在激光加工步骤S3中,抗蚀剂膜4的半导体元件2之间的边界部分暴露于激光束13a,从而在抗蚀剂膜4中形成边界槽5,边界槽5将半导体元件2彼此分隔开,并且形成为 在边界槽5中露出半导体晶片1的表面1b。在等离子体蚀刻步骤S6中,通过氟基气体的等离子体Pf蚀刻在边界槽5中露出的半导体晶片1的表面1b, 从而将半导体晶片1沿着边界槽5分离成单独的半导体芯片1'。在激光加工步骤S3和等离子体蚀刻步骤S6之间,进行与边界槽表面平滑化步骤S5相关的处理, 通过氧化气体的等离子体Po,在激光加工步骤S3中边界槽5的表面具有不规则形状。
    • 6. 发明申请
    • ELECTRONIC COMPONENT MOUNTING APPARATUS AND ELECTRONIC COMPONENT MOUNTING METHOD
    • 电子元件安装设备和电子元件安装方法
    • WO2004071149A1
    • 2004-08-19
    • PCT/JP2004/001340
    • 2004-02-09
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.HAJI, Hiroshi
    • HAJI, Hiroshi
    • H05K13/04
    • H01L24/81H01L24/75H05K13/08Y10T29/49131
    • In an electronic component mounting method in which electronic components are sucked/held by plural respective nozzles provided on a mounting head so as to be mounted on electronic component mounting portions of a board, such a mounting operation is sequentially carried out as to all of the electronic components, in which the electronic components, are sucked/held by the plural nozzles; an electronic component sucked/held by one of the plural nozzles is provisionally positioned above one electronic component mounting portion; both this electronic component and the electronic component mounting portion are observed by an observation head which is located between the board and the mounting head; a relative position detecting operation for detecting a relative positional relationship between this electronic component and the electronic component mounting portion is carried out as to all of the electronic components held by the mounting head; and the electronic component is positioned with respect to the electronic component mounting portion so as to be mounted thereon while the detected relative positional relationship is reflected
    • 在电子部件安装方法中,电子部件由设置在安装头上的多个喷嘴吸引/保持以安装在电路板的电子部件安装部上,这样的安装操作依次执行于所有 其中电子部件被多个喷嘴吸住/保持的电子部件; 由多个喷嘴中的一个吸引/保持的电子部件临时定位在一个电子部件安装部上方; 通过位于板和安装头之间的观察头来观察该电子部件和电子部件安装部分; 对于由安装头保持的所有电子部件,执行用于检测该电子部件与电子部件安装部之间的相对位置关系的相对位置检测动作。 并且电子部件相对于电子部件安装部被定位成安装在其上,同时反映检测到的相对位置关系
    • 7. 发明申请
    • MANUFACTURING METHOD OF SEMICONDUCTOR CHIP
    • 半导体芯片的制造方法
    • WO2008081968A1
    • 2008-07-10
    • PCT/JP2007/075368
    • 2007-12-26
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.ARITA, KiyoshiHAJI, Hiroshi
    • ARITA, KiyoshiHAJI, Hiroshi
    • H01L21/78H01L21/308H01L21/304
    • H01L21/78H01L21/304H01L21/67092
    • An object is to provide a manufacturing method of a semiconductor chip, by which while a semiconductor wafer is not broken when the semiconductor wafer is transported before plasma dicing is carried out, a time required for the plasma dicing can be shortened, so that a manufacturing efficiency of the semiconductor chips can be improved. After a resist film 6 has been formed on a ground rear plane 1q of a semiconductor wafer 1, partial portions (6a and 1b) of cutting margin areas (6a, 1b, 1c, 3c) along dicing lines 2 are removed by a blade 13 corresponding to a mechanical cutting means, and thickness "t" of remaining cutting margin areas 1c of the semiconductor wafer 1 along a thickness direction thereof are made thinner, which never causes any problem when the semiconductor wafer 1 is transported. Thereafter, all of the remaining cutting margin areas (1c, 3a) are removed by performing a plasma etching process.
    • 本发明的目的是提供一种半导体芯片的制造方法,通过该半导体芯片的制造方法,在半导体晶片在进行等离子体切割之前被输送时半导体晶片不破裂的情况下,可以缩短等离子体切割所需的时间,从而制造 可以提高半导体芯片的效率。 在半导体晶片1的接地背面1q上形成抗蚀剂膜6之后,沿着切割线2切割边缘区域(6a,1b,1c,3c)的部分部分(6a和1b)被刀片13 对应于机械切割装置,并且半导体晶片1的厚度方向上的剩余切割边缘区域1c的厚度“t”变薄,当半导体晶片1被输送时,这不会产生任何问题。 此后,通过进行等离子体蚀刻处理除去所有剩余的切割边缘区域(1c,3a)。