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121. 发明专利

JPH0669319A ALIGNMENT SYSTEM 失效
公开(公告)号：JPH0669319A
公开(公告)日：1994-03-11
申请号：JP24259992
申请日：1992-08-20
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： SEKIYA KAZUMA
IPC分类号： G05D3/12 , H01L21/301 , H01L21/68 , H01L21/78 , G06F15/62
摘要： PURPOSE:To accurately perform a prealignment by a method wherein a digital signal which is output by an A/D conversion means is processed so as to convert its image density, a contrast is extracted on an X-Y matrix, the continuous existence of the extracted contrast is confirmed and an angle theta formed by its direction and a prescribed reference line are computed. CONSTITUTION:An analog signal from an image recognition means is converted into a digital signal by an A/D conversion means, its image density is binary- processed at a prescribed threshold value by an image-density conversion means, and a contrast is made clear. Then, the contrast is extracted on an X-Y matrix by an extraction means, the continuous existence of hook-shaped figures 8 is confirmed by an angle computation means on the basis of the extracted contrast, and an inclination angle theta formed by their direction A and the X-axis are computed. Thereby, a prelaignment can be performed accurately by an image processing means. In addition, the execution of a precise alignment performed in succession is guaranteed, and a high-accuracy dicing operation can be performed.

122. 发明专利

JPH05326790A TIE BAR CUTTER 失效
公开(公告)号：JPH05326790A
公开(公告)日：1993-12-10
申请号：JP14792492
申请日：1992-05-15
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： SEKIYA KAZUMA
IPC分类号： B21D28/26 , H01L23/50
摘要： PURPOSE:To cut tie bars without replacing a tie bar cutter if the tie bars are arranged at the same pitch by a method wherein a male tie bar cutter and a female tie bar cutter both equipped with a specific number of cutting edges are mounted confronting each other independent of the number of the tie bars of a lead frame, and the pair of tie bar cutters is made to move along the axes of x, y, and theta. CONSTITUTION:A frame sheet 11 is fed in a lengthwise direction at a constant stroke on the upside of a table 9 fitting feed holes provided to both its sides to a film feed mechanism provided on both the ends of the table 9. When the frame sheet 11 is fed by a stroke and then stopped, a lead frame is located just at the window of the table 9, then a tie bar cutter 6 is moved along the axes of x and y to be aligned with tie bars, the tie bar cutter 6 is closed, and a male cutter 6a and a female cutter 6b are made to engage with each other to cut the tie bars. At this point, the tie bars and the edges of the tie bar cutter 6 are not required to be coincident with each other inn number. Therefore, a tie bar cutter is not required to be replaced, so that a tie bar cutter device of this design is enhanced in working efficiency.

123. 发明专利

JPH0580149B2 失效
公开(公告)号：JPH0580149B2
公开(公告)日：1993-11-08
申请号：JP3257684
申请日：1984-02-24
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： TAMURA SHINICHI , UGA MASANORI
IPC分类号： H01L21/301 , G03F9/00 , H01L21/78

124. 发明专利

JPH05248439A 失效
公开(公告)号：JPH05248439A
公开(公告)日：1993-09-24
申请号：JP8146392
申请日：1992-03-04
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： KOMA YUTAKA
IPC分类号： F16C32/06 , H01L21/304
摘要： PURPOSE:To provide an angle regulating method for an air spindle wherein fine adjustment of inclination of the air spindle is easily carried out by any operator. CONSTITUTION:In an air spindle 9 incorporated in a device to polish the surface of a semiconductive wafer, second exhaust holes 7a for regulating an exhaust gas pressure are formed in the thrust bearing 4 of the air spindle 9 in addition to an ordinary exhaust hole 3a. Fine adjustment of inclination of the spindle 9 is performed through regulation of an exhaust gas pressure by opening and closing the second exhaust hole 7a. A plurality of the second exhaust holes 7a are formed along the peripheral direction of the thrust bearing 4.

125. 发明专利

JPH05214800A STONE TILE AND ITS CONSTRUCTION METHOD 失效
公开(公告)号：JPH05214800A
公开(公告)日：1993-08-24
申请号：JP4777592
申请日：1992-02-05
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： ONO TAKATOSHI
IPC分类号： E04F13/21 , E04F13/08 , E04F13/14 , E04F13/24
摘要： PURPOSE:To perform an easy construction without depending on a skilled worker. CONSTITUTION:A panel 3 having a plurality of hooks 31 is fixed to an outer wall 2, and an adhesive 4 is interposed between the reverse surface of a stone tile 1 and the panel 3. A balance 12 is released, a linear groove 11 formed on the reverse surface is engaged with the hook 31, and the stone tile is pressed onto the panel 3. Thus, only by engaging the linear groove to the hook, the stone tile is automatically positioned on the panel, so that efficient and beautiful construction can be performed without depending on a skilled worker.

126. 发明专利

JPH05179785A EXECUTION METHOD OF STONE TILE 失效
公开(公告)号：JPH05179785A
公开(公告)日：1993-07-20
申请号：JP33803091
申请日：1991-11-28
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： SEKIYA SHINJI , SEKIYA MINOSUKE , ONO TAKATOSHI
IPC分类号： E04F13/21 , E04F13/08 , E04F13/14
摘要： PURPOSE:To promote work efficiency by fixing pin members or a pierced mem ber to a wall surface, fixing members other than the members fixed to the wall surface to the rear of a stone tile, and making the piercing and pressure adherence of both fixed members. CONSTITUTION:A plurality of pin members 2 are projected to a screen member 1 formed of an aluminum plate or a plywood, etc., and, at the same time, guide members 5 are mounted to a position on which a stone tile 3 is mounted. The pin members 2 are pierced through a pierced member 4, and the stone tile 3 is mounted to the screen member 1. According to the constitution, a mounting state of the stone tile 3 can be easily adjusted later, or rearrangement can be done.

127. 发明专利

JPH05118113A STONE TILE AND ITS MANUFACTURE 失效
公开(公告)号：JPH05118113A
公开(公告)日：1993-05-14
申请号：JP30849191
申请日：1991-10-28
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： ONO TAKATOSHI
IPC分类号： E04F13/08 , E04F13/14
摘要： PURPOSE:To provide a stone tile where mosaic patterns are made of natural stones in advance so that the mosaic pattern of the natural stones can be made easily at the floor or the wall face, and manufacture the stone tiles simply. CONSTITUTION:A stone tile is made by sticking the stone piece 32 of a mosaic pattern to the surface of a board 31 in advance, and the floor face and the wall face can be built simply by sticking the stone tiles to the wall face in order in the field work execution. In this case, many stone pieces 32 are made by smashing a natural stone board analogous to the board 31 and a little smaller than it, and they are bonded or stuck to the board 31, maintaining the positional relation of the stone piece 32, or a natural stone board a little smaller than the board 31 is stuck to the seat member and then, is smashed. And, the seat member is drawn out to position the smash face of the stone piece 32, which is smashed being stuck to the board 31, at proper interval. Hereby, the stone tile of mosaic pattern can be manufactured easily.

128. 发明专利

JPH0598768A FLEXIBLE NATURAL STONE TILE 失效
公开(公告)号：JPH0598768A
公开(公告)日：1993-04-20
申请号：JP28195391
申请日：1991-10-03
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： ONO TAKATOSHI , SEKIYA SHINJI
IPC分类号： E04F13/21 , E04F13/08
摘要： PURPOSE:To obtain a tiling work easily with good appearance by a method in which small natural stone pieces are closely arranged and bonded to a flexible backing material to integrate them into a plate form. CONSTITUTION:Natural stone pieces 1 are closely arranged and bonded to a flexible backing material 2 such as rubber or synthetic resin sheet to integrate them into a plate form which can be freely curved or folded by turning the backing material 2 inwards. The tiling work for curved faces can thus be made easier, and the apertures and odd portions of the ends of the wall can also be simply filled with the cut pieces of the backing material 2.

129. 发明专利

JPH0590403A CUTTING APPARATUS 失效
公开(公告)号：JPH0590403A
公开(公告)日：1993-04-09
申请号：JP33556891
申请日：1991-11-26
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： OZAWA NARUTOSHI , KITANO TAKAYUKI
IPC分类号： B28D7/02 , H01L21/301 , H01L21/304 , H01L21/78
摘要： PURPOSE:To discharge contaminant contained in cutting liquid entirely to the outside so that the contaminant is wrapped up together with the cutting liquid by providing a cleaning-liquid jetting nozzle in the vicinity of a rotary blade at a specified angle in such a way that the cleaning liquid is splashed back in the substantially same direction as the scattering cutting liquid. CONSTITUTION:A cleaning-liquid jetting nozzle 11 is arranged in the vicinity of a rotary blade 4 in order to immediately remove cutting liquid 20, which is scattering by the rotation of the rotary blade 4. Cleaning liquid 12 (e.g. pure water), which is jetted through the cleaning-liquid jetting nozzle 11, is made to hit on the surface of a semiconductor wafer 3 and splashed back. The cleaning-liquid jetting nozzle 11 is attached at a specified angle so that the direction of the splashed-back liquid becomes the substantially same direction as the scattering direction of the cutting liquid 20. Since the rotary blade 4 is rotated counterclockwise, the blade 4 is attached at the specified angle on the left side of a blade cover 10 by an adequate means. The rotation follows the index sending of the rotary blade together with the blade cover 10.

130. 发明专利

JPH059232B2 失效
公开(公告)号：JPH059232B2
公开(公告)日：1993-02-04
申请号：JP8778784
申请日：1984-05-02
申请人： DISCO ABRASIVE SYSTEMS LTD
发明人： SEKYA MINOSUKE
IPC分类号： B24D5/12 , B24D5/00 , B28D1/12

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