JP3763046B2 - Method and apparatus for cutting and aligning wafers, etc. - Google Patents

Method and apparatus for cutting and aligning wafers, etc. Download PDF

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Publication number
JP3763046B2
JP3763046B2 JP21175796A JP21175796A JP3763046B2 JP 3763046 B2 JP3763046 B2 JP 3763046B2 JP 21175796 A JP21175796 A JP 21175796A JP 21175796 A JP21175796 A JP 21175796A JP 3763046 B2 JP3763046 B2 JP 3763046B2
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Japan
Prior art keywords
wafer
cutting
plate
wafers
piece
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JP21175796A
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Japanese (ja)
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JPH1052217A (en
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稔 長
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オサ機械株式会社
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Description

【0001】
【発明の属する技術分野】
この発明は、ウェハースのような比較的耐力の小さい食品板を小片に切断すると共に、各小片を整然と整列させることを目的としたウェハース等の切断整列方法及び装置に関する。
【0002】
【従来の技術】
従来ウェハース等を所定位置に並べるには、人手又は整列機を用いて整列していた。
【0003】
【発明により解決すべき課題】
前記従来の技術において、人手による場合には、重労働になるのみならず能率の向上がむつかしい問題点があった。
【0004】
また整列機を使用する場合においては、多数列一様に整列させることがむつかしいのみならず、表裏を設ける場合には、正確な選別が困難であり、かつ取扱い工程が増加する毎に破損の機会が増加して歩留りを悪化させる問題点があった。
【0005】
【課題を解決する為の手段】
然るにこの発明は、大きいウェハース板を縦横に切断すると共に、各ウェハース片を夫々パッドに当接支持したまま、前後、左右に動かしてウェハース片の間隔を拡げるので、そのまま所定の位置に移動し、モールドと対応させることができると共に、吸着によりモールドまで運んでセットできるように、所定の位置に整然と配列することに成功したのである。
【0006】
即ち方法の発明は、ウェハースを縦横に切断する方法において、所定大きさのウェハース板を一辺と平行に切断して短冊状ウェハース片とし、ついで各短冊状ウェハース片の相互間隔を、所定間隔に調節した後、長辺に直角方向から切断してウェハース片とし、各ウェハース片の上面に夫々パッドを当接し、前記パッドを下部を減圧吸引する位置へ水平移動させ、各ウェハース片の相互間隔を夫々所定間隔に調節することを特徴としたウェハース等の切断整列方法である。
【0007】
また装置の発明は、ウェハースを載置すべき多孔板の上方へ、切断されたウェハース片に当接支持すべき複数のパッドを昇降可能に設置し、前記多孔板の下面に減圧手段を付設して切断屑等の吸着排除装置とし、前記パッドには、相互間隔を拡大又は縮小すべき制御手段を付設したことを特徴とするウェハース等の切断整列装置である。次に減圧手段は、ウェハースの全下面を覆う大きさの被覆匣と、該被覆匣をブロアーの吸引口に連結する排気ホースと、排気中に含まれた固形物を分離すべき濾過手段を結合させたことを特徴とするものであり、制御手段は、パッドの相互間隔を拡大又は縮小する平行移動手段としたことを特徴とするものである。
【0008】
この発明における多孔板は、ステンレス板に、直径3〜10mmの透孔を前後左右3〜10mm間隔で穿設したもので、透孔から切断屑を排除できることは勿論、ウェハースは多孔板上を摺動するので、滑り易く、その移動中に損傷、破損するおそれはない。
【0009】
またウェハースにはパッドを当接し、又は吸着板で吸着したまま移動する。吸着板で吸着する場合には吸着圧力を検出すれば、吸着の有無を容易に検出することができる。即ち全吸着板にウェハースを吸着した場合と、一部の吸着板のみにウェハースを吸着した場合とでは減圧吸着力(減圧度)が異なる。そこで減圧度を予め測定し、その数値を制御系に記憶させておけば、減圧度の比較により、全ウェハース吸着済か、一部未吸着があるかを容易に検知することができる。
【0010】
この発明おいて、ウェハース片をモールドにセットする時には、各ウェハース片に夫々吸着板の吸着嘴を吸着させるので、ウェハース片は相互間隔を規制されたまま運ばれ、モールド内へ正しくセットされる。
【0011】
【発明の実施の形態】
この発明は、ウェハース板を縦横に切断してウェハース片とし、このウェハース片上に夫々パッド又は吸着板を当接すると共に、ウェハース片の下部は多孔板を介して減圧して、切断屑を吸引排除し、前記パッドの相互間隔を調整して、各ウェハース片の相互間隔を調整するウェハースの切断整列方法である。
【0012】
またウェハースを載置すべき多孔板の上方へ、切断されたウェハース片に当接すべき複数のパッドを昇降可能に設置し、前記多孔板の下面に減圧手段を付設して、前記パッドは、相互間隔を拡大、又は縮小すべき制御手段を付設したウェハース等の切断整列装置である。
【0013】
【実施例1】
この発明の実施例を図1、図2(a)(b)について説明する。所定大きさのウェハース板1を矢示6のように移動し乍ら、進行方向と平行に切断して短冊状ウェハース片2とし、ついで矢示7のように移動して、各短冊状ウェハース片2の間隔を調整した後、矢示8のように方向変換すると共に、進行方向と平行に切断して、ウェハース片3、3を成形し、更に矢示9のように移動して、ウェハース片3、3の相互間隔を調整して必要な配置を確保させる(図2(a)(b))。このように相互間隔を調整したままモールド上へ矢示10のように移動し、吸着力を消去すれば、各モールド内へウェハース片3を1個宛供給することができる。前記実施例において、ウェハース板1、ウェハース片2、3は共に多孔板5上に載置され、多孔板5の下面の一部を匣体13で被覆しているので、匣体13の排気パイプ14から矢示12のように排気すれば、ウェハース板1をウェハース片2、3に切断する際に生じた切断屑を吸引除去することができる。従ってウェハース片3の下面は勿論、切断面の切断屑も除去されており、かつウェハース片3が機械振動等によって移動しない。そこで次工程以後において切断屑による問題を生じるおそれはない(例えば製品の品質低下、又は装置の故障の原因など)。図中11は切断屑の濾過器である。
【0014】
【実施例2】
図3、4、5の実施例は、ウェハース板1の切断と移行の実施装置である。即ち機台15上にモールド16を搬送する搬送装置17を設け、この搬送装置17と直角に、ウェハース片3、3の供給装置18、18を所定間隔で設置する。
【0015】
前記供給装置18は、機台19上にウェハース板1の送給装置20と、回転カッター21と、短冊状ウェハース片2の間隔を拡げる間隔拡大装置22を直列に設ける。ついで短冊状ウェハース片2を直角方向に移動した位置に回転カッター23を設け、回転カッター23に、ウェハース片3、3の間隔を拡大する装置24を設置する。前記回転カッター21、23などの装置は、前記のように2セット並列設置され、同一の搬送装置17に接続対応している。
【0016】
前記実施例において、ウェハース板1は回転カッター21により短冊状ウェハース片2となり、図3、6中矢示25のように多孔板5上へ移動する。多孔板5上では、矩形に配置された多数の小孔群28で切断屑などを吸着された後、短冊状ウェハース片2に対応する小孔群26、26上に配置されて吸着保持される。ついで短冊状ウェハース片2は、前記間隔を保ったまま矢示27の方向へ摺動される(図6)。この場合に、その摺動路は、多孔板5の小孔穿設部28上であるから、摺動摩擦は比較的少なく、かつ切断屑などの付着物は、多孔板5の下部の減圧によって除去される。
【0017】
前記短冊状ウェハース片2は、回転カッター23により(図3)、短冊状ウェハース片2と進行方向と平行に切断されて、ウェハース片3となる。このウェハース片3は最終形の小片であって、そのままモールド内へ給送される。
【0018】
前記ウェハース片3は切断された後、交互間隔を拡げて多孔板5a上へ矢示27aのように運ばれる。この場合においても矩形状に配置された小孔群29で切断屑を除去され乍ら、矢示30のように各ウェハース片3毎に相互間隔を保って配列される。前記ウェハース片3に対応して小孔31、31が夫々穿設されているので、ウェハース片3のパッドが交替する際、ウェハース片3が移動するおそれはない。即ち減圧吸着によって正しい配列位置が保持される。前記したパッド(図示してない)は一定距離間を往復移動している。例えば回転カッター及び間隔拡大部では同一のパッドを使用し、次工程では吸着板を使用する。同様にウェハース板1の移送と、短冊状ウェハース片2の切断、間隔調整などは別のパッドを用いる。
【0019】
【実施例3】
図10は、パッドの取付板52を固定し、その一側に取付板52a、52b、52c、52dを並列し、他側に52e、52f、52g、52hを並列し、夫々共通の案内杆53、53aに摺動自在に案内させると共に、各取付板52・・・52hの端縁にストッパー54と、掛止突起55を有する調整片56を固定し、前記取付板52dと、52hには、エアシリンダ57、58のロッド59、60の先端を固定し、エアシリンダ57、58は、枠体61の枠杆62、63に固定したものである。
【0020】
この実施例は、ロッド59、60を矢示64又は65の方向へ出入させることにより、取付板52d、52hを同方向へ移動させ、調整片56のストッパー54と、掛止突起55とによって各取付板の間隔を拡大し、又は縮小することができる。この実施例の場合には中央部で二分するのでロッドのストロークを小さくすることができる。前記実施例において、取付板52、52a・・・等を離接すれば、当然のこと乍らパッド39も離接し(図11では案内杆53、53aと平行な方向)ウェハース片2、3の間隔を調整することができる。
【0021】
【実施例4】
次に図12に基づき、ウェハース片3の間隔調整の実施例を説明する。各ウェハース片3に当接するパッド39の取付板40、40a、40b、40c、40d、40eは、案内杆43に摺動自在に取付けられ、各取付板40、40の両端部には、ストッパー42と、掛止突片41aを有する調整片41とが、互に遊嵌されている。即ち一方の調整片41の凹入部へ他方の掛止突片41aを突入させ、調整片41の摺動間隔を規制している。前記案内杆43と枠杆43aとには連結杆44、44aが固定され、一方連結杆44にエアシリンダ45を固定し、エアシリンダ45のロッド46端に、連結具49を介して端側の取付板40を固定している。図中32、33、33は取付軸、34、35はウェハース片3の規制板である。
【0022】
前記実施例において、エアシリンダ45に加圧エアを給送して、ロッド46を矢示47の方向へ引き込めると、取付板40も矢示50の方向へ移動するので、取付板40の端縁に固定した調整片41も同方向へ移動する。そこで取付板40のストッパー42が、取付板40aの掛止突片41aに当接するまで移動する。そこでストッパー42が取付板40aの掛止突片41aに当接すると、その掛止によって取付板40aを矢示50の方向へ移動させるので、取付板40aのストッパー42が、取付板40bの掛止突片41aに当接するまで矢示50の方向へ移動する。前記のようにして取付板40、40a、40bは、ストッパー42と、掛止突片41aの移動距離だけの間隔がとられることになる。
【0023】
前記に反し、ロッド46を矢示48の方向へ移動させると、前記掛止突片41aとストッパー42は矢示51の方向へ移動し、最終当板40eは、連結板44aに固定されているので、各取付板40、40a、40b、40c、40dは、旧位置にもどる。従って短冊状ウェハース片を切断された状態から、等間隔の状態に間隔を拡げて次工程へ送り、取付板は旧位置に戻ると共に、当初の間隔を拡げる前の状態にもどり並列される。
【0024】
【発明の効果】
この発明は、ウェハース板を縦横に切断してウェハース片を容易に得ることができると共に、各ウェハース片の間隔を所定間隔に、正確に規制するので、そのま々モールドへ正しい供給できる効果がある。また装置はウェハース板を切断する為に、回転カッターを直角に配置したので、進行中に縦横の切断ができると共に、移動路へ多孔板を敷設したので、円滑な移動と、吸着による位置の確保ができると共に、切断屑などを合理的に排除し得る効果がある。
【図面の簡単な説明】
【図1】この発明の実施例のブロック図。
【図2】(a)同じくウェハース板の切断、ついでウェハース片の間隔調整を示す概念図。
(b)ウェハース片と多孔板の関係を示す説明図。
【図3】この発明の実施装置の平面図。
【図4】同じく一部正面図。
【図5】同じく一部側面図。
【図6】同じく短冊状ウェハース片を通過させる多孔板の一部を省略した拡大平面図。
【図7】同じく減圧吸着を示す拡大断面図。
【図8】同じくウェハース片を通過させる多孔板の一部を省略した拡大平面図。
【図9】同じく短冊状ウェハース片の間隔調整装置の一部を破切した拡大平面図。
【図10】同じく一部を破切した側面図。
【図11】同じくウェハース片の間隔調整装置の一部を破切し、一部を省略した拡大平面図。
【図12】同じく一部を破切した側面図。
【図13】同じく一部を省略し、一部を破切した正面図。
【符号の説明】
1 ウェハース板
2 短冊状ウェハース片
3 ウェハース片
4 吸着板
5 多孔板
11 濾過器
13 匣体
14 排気パイプ
15 機台
16 モールド
17 搬送装置
18 供給装置
19 機台
20 送給装置
21、23 回転カッター
22、24 間隔拡大装置
26、29 小孔群
28 小孔群
31 小孔
32、33 取付軸
34、35 規制板
38、39 パッド
40、40a、40b、40c、40d、40e パッド取付板
41 調整片
42 ストッパー
43 案内杆
43a 枠杆
44、44a 連結杆
45 エアシリンダ
46 ロッド
49 連結具
52、52a、52b、52c、52d、52e、52f、52g、52h 取付板
53、53a 案内杆
54 ストッパー
55 掛止突起
56 調整片
57、58 エアシリンダ
59、60 ロッド
61 枠体
62、63 枠杆
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cutting and aligning method and apparatus for wafers and the like for the purpose of cutting a food plate such as a wafer having a relatively low yield strength into small pieces and aligning the small pieces in an orderly manner.
[0002]
[Prior art]
Conventionally, in order to arrange wafers and the like at predetermined positions, they are aligned manually or using an aligner.
[0003]
[Problems to be solved by the invention]
In the above-described conventional technique, when it is manually performed, there is a problem that it is difficult to improve efficiency as well as heavy labor.
[0004]
In addition, when using an aligner, not only is it difficult to align a large number of rows uniformly, but when a front and back are provided, accurate sorting is difficult and there is an opportunity for breakage every time the handling process increases. There was a problem of increasing the yield and worsening the yield.
[0005]
[Means for solving the problems]
However, the present invention cuts a large wafer plate vertically and horizontally and moves each wafer piece back and forth, left and right while abutting and supporting each pad to widen the interval between the wafer pieces. In addition to being able to correspond to the mold, it was succeeded in orderly arrangement at a predetermined position so that it could be brought to the mold by suction and set.
[0006]
That is, the method invention is a method of cutting wafers vertically and horizontally, cutting a wafer plate of a predetermined size parallel to one side into strip-shaped wafer pieces, and then adjusting the interval between the strip-shaped wafer pieces to a predetermined interval. After that, the long side is cut from a right angle direction to form wafer pieces, the pads are brought into contact with the upper surface of each wafer piece, the pad is horizontally moved to the position where the lower part is sucked under reduced pressure, and the mutual interval between the wafer pieces is set respectively. Ru cutting alignment method der of wafers or the like and adjusting the predetermined distance.
[0007]
Further, the invention of the apparatus is configured such that a plurality of pads to be brought into contact with and supported by the cut wafer pieces are installed so as to be able to move up and down above the porous plate on which the wafer is to be placed, and pressure reducing means is attached to the lower surface of the porous plate. A cutting and aligning device for wafers or the like, characterized in that a suction removal device for cutting waste and the like is provided, and the pad is provided with a control means for increasing or decreasing the mutual interval. Next, the decompression means combines a cover soot that covers the entire lower surface of the wafer, an exhaust hose that connects the cover soot to the suction port of the blower, and a filtering means that separates solids contained in the exhaust. The control means is a parallel movement means for enlarging or reducing the mutual space between the pads.
[0008]
The perforated plate in this invention is a stainless steel plate with holes with a diameter of 3 to 10 mm drilled at intervals of 3 to 10 mm in the front and rear, left and right, and the wafer can slide on the perforated plate. Because it moves, it is slippery and there is no risk of damage or breakage during its movement.
[0009]
Further, a pad is brought into contact with the wafer or moved while being adsorbed by an adsorbing plate. In the case of adsorption with an adsorption plate, the presence or absence of adsorption can be easily detected by detecting the adsorption pressure. That is, the reduced pressure adsorption force (the degree of reduced pressure) differs between the case where wafers are adsorbed on all the adsorption plates and the case where wafers are adsorbed only on some of the adsorption plates. Therefore, if the degree of decompression is measured in advance and the numerical value is stored in the control system, it is possible to easily detect whether all wafers are adsorbed or partly unabsorbed by comparing the degree of decompression.
[0010]
In the present invention, when the wafer pieces are set in the mold, the suction pieces of the suction plate are adsorbed to the respective wafer pieces, so that the wafer pieces are carried with their mutual distance regulated and set correctly in the mold.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
In this invention, a wafer plate is cut vertically and horizontally into wafer pieces, and a pad or a suction plate is brought into contact with each wafer piece, and the lower part of the wafer piece is depressurized through a perforated plate to suck and remove cutting waste. This is a wafer cutting and aligning method in which the mutual distance between the pads is adjusted by adjusting the mutual distance between the pads.
[0012]
Further, above the porous plate on which the wafer is to be placed, a plurality of pads to be brought into contact with the cut wafer piece are installed so as to be able to move up and down, and a pressure reducing means is attached to the lower surface of the porous plate, This is a cutting and aligning device such as a wafer provided with a control means for increasing or decreasing the mutual interval.
[0013]
[Example 1]
An embodiment of the present invention will be described with reference to FIGS. 1, 2A and 2B. While the wafer plate 1 having a predetermined size is moved as indicated by an arrow 6, it is cut in parallel with the traveling direction to form a strip-shaped wafer piece 2 and then moved as indicated by an arrow 7 so that each strip-shaped wafer piece is moved. After adjusting the interval of 2, the direction is changed as indicated by an arrow 8, the wafer pieces 3 and 3 are formed by cutting in parallel with the traveling direction, and further moved as indicated by an arrow 9. The mutual arrangement | positioning of 3 and 3 is adjusted and required arrangement | positioning is ensured (FIG. 2 (a) (b)). Thus, if it moves to a mold as shown by the arrow 10 with the mutual space | interval adjusted, and erase | eliminates adsorption power, one wafer piece 3 can be addressed to each mold. In the above embodiment, the wafer plate 1 and the wafer pieces 2 and 3 are both placed on the porous plate 5 and part of the lower surface of the porous plate 5 is covered with the housing 13. If the air is exhausted from 14 to arrow 12, cutting waste generated when the wafer plate 1 is cut into wafer pieces 2 and 3 can be removed by suction. Therefore, not only the lower surface of the wafer piece 3 but also the cutting waste on the cut surface is removed, and the wafer piece 3 does not move due to mechanical vibration or the like. Therefore, there is no possibility of causing a problem due to cutting waste after the next process (for example, cause of product quality degradation or device failure). In the figure, 11 is a filter for cutting waste.
[0014]
[Example 2]
3, 4, and 5 are apparatuses for cutting and shifting the wafer plate 1. That is, a transfer device 17 for transferring the mold 16 is provided on the machine base 15, and supply devices 18 and 18 for the wafer pieces 3 and 3 are installed at a predetermined interval at a right angle to the transfer device 17.
[0015]
The supply device 18 is provided in series with a feeding device 20 for the wafer plate 1, a rotary cutter 21, and an interval expanding device 22 for increasing the interval between the strip-shaped wafer pieces 2 on the machine base 19. Next, a rotary cutter 23 is provided at a position where the strip-shaped wafer piece 2 is moved in the right-angle direction, and a device 24 for enlarging the interval between the wafer pieces 3 and 3 is installed on the rotary cutter 23. Two sets of devices such as the rotary cutters 21 and 23 are installed in parallel as described above, and are connected to the same transport device 17.
[0016]
In the above embodiment, the wafer plate 1 becomes a strip-shaped wafer piece 2 by the rotary cutter 21 and moves onto the perforated plate 5 as indicated by an arrow 25 in FIGS. On the perforated plate 5, after cutting chips and the like are adsorbed by a large number of small hole groups 28 arranged in a rectangular shape, they are arranged on the small hole groups 26 and 26 corresponding to the strip-shaped wafer pieces 2 and held by suction. . Next, the strip-shaped wafer piece 2 is slid in the direction of the arrow 27 while maintaining the interval (FIG. 6). In this case, since the sliding path is on the small hole drilling portion 28 of the perforated plate 5, sliding friction is relatively small, and deposits such as cutting waste are removed by decompression of the lower portion of the perforated plate 5. Is done.
[0017]
The strip-shaped wafer piece 2 is cut by the rotary cutter 23 (FIG. 3) in parallel with the strip-shaped wafer piece 2 and the traveling direction to become the wafer piece 3. The wafer piece 3 is a small piece in the final shape and is fed into the mold as it is.
[0018]
After the wafer pieces 3 are cut, they are transported onto the perforated plate 5a as shown by arrows 27a with increasing alternate intervals. Also in this case, the cutting waste is removed by the small hole group 29 arranged in a rectangular shape, and the wafer pieces 3 are arranged at intervals with each other as indicated by an arrow 30. Since the small holes 31 are formed corresponding to the wafer piece 3, there is no possibility that the wafer piece 3 moves when the pad of the wafer piece 3 is replaced. That is, the correct arrangement position is maintained by vacuum suction. The above-described pad (not shown) reciprocates for a certain distance. For example, the same pad is used in the rotary cutter and the interval enlargement portion, and the suction plate is used in the next process. Similarly, separate pads are used for transferring the wafer plate 1, cutting the strip-shaped wafer pieces 2, and adjusting the interval.
[0019]
[Example 3]
In FIG. 10, the pad mounting plate 52 is fixed, mounting plates 52a, 52b, 52c, and 52d are arranged in parallel on one side, and 52e, 52f, 52g, and 52h are arranged in parallel on the other side. , 53a are slidably guided, and an adjustment piece 56 having a stopper 54 and a latching projection 55 is fixed to the end edge of each mounting plate 52 ... 52h, and the mounting plates 52d and 52h The tips of the rods 59 and 60 of the air cylinders 57 and 58 are fixed, and the air cylinders 57 and 58 are fixed to the frame rods 62 and 63 of the frame body 61.
[0020]
In this embodiment, the rods 59 and 60 are moved in the direction of the arrow 64 or 65 to move the mounting plates 52d and 52h in the same direction, and the stopper 54 of the adjustment piece 56 and the latching protrusion 55 The interval between the mounting plates can be enlarged or reduced. In the case of this embodiment, the stroke of the rod can be reduced because it is divided into two at the center. In the above-described embodiment, if the mounting plates 52, 52a, etc. are separated, the pad 39 is naturally separated (the direction parallel to the guide rods 53, 53a in FIG. 11), and the distance between the wafer pieces 2, 3 Can be adjusted.
[0021]
[Example 4]
Next, an embodiment for adjusting the interval of the wafer pieces 3 will be described with reference to FIG. The mounting plates 40, 40a, 40b, 40c, 40d, and 40e of the pad 39 abutting on each wafer piece 3 are slidably mounted on the guide rod 43, and stoppers 42 are provided at both ends of each mounting plate 40 and 40. And the adjustment piece 41 which has the latching protrusion piece 41a is loosely fitted mutually. That is, the other latching protrusion 41 a is inserted into the recessed portion of one adjustment piece 41, and the sliding interval of the adjustment piece 41 is restricted. Connecting rods 44 and 44 a are fixed to the guide rod 43 and the frame rod 43 a, and an air cylinder 45 is fixed to the one connecting rod 44, and the end of the air cylinder 45 is connected to the end of the rod 46 via a connecting tool 49. The mounting plate 40 is fixed. In the figure, reference numerals 32, 33 and 33 denote mounting shafts, and 34 and 35 denote restriction plates for the wafer piece 3.
[0022]
In the above embodiment, when pressurized air is supplied to the air cylinder 45 and the rod 46 is retracted in the direction of the arrow 47, the mounting plate 40 also moves in the direction of the arrow 50. The adjustment piece 41 fixed to the edge also moves in the same direction. Therefore, the stopper 42 of the mounting plate 40 moves until it comes into contact with the latching protrusion 41a of the mounting plate 40a. Therefore, when the stopper 42 comes into contact with the latching protrusion piece 41a of the mounting plate 40a, the mounting plate 40a is moved in the direction of the arrow 50 by the latching, so that the stopper 42 of the mounting plate 40a latches the mounting plate 40b. It moves in the direction of arrow 50 until it comes into contact with the projecting piece 41a. As described above, the mounting plates 40, 40a, and 40b are spaced apart from each other by the moving distance between the stopper 42 and the latching protrusion piece 41a.
[0023]
Contrary to the above, when the rod 46 is moved in the direction of the arrow 48, the latching protrusion 41a and the stopper 42 are moved in the direction of the arrow 51, and the final abutment plate 40e is fixed to the connecting plate 44a. Therefore, each mounting plate 40, 40a, 40b, 40c, 40d returns to the old position. Therefore, the strip-shaped wafer pieces are cut from the cut state to an equally spaced state and sent to the next process, and the mounting plate returns to the old position, and returns to the state before the original interval is widened.
[0024]
【The invention's effect】
According to the present invention, the wafer plate can be easily obtained by cutting the wafer plate vertically and horizontally, and the interval between the wafer pieces is accurately regulated to a predetermined interval. . In addition, since the machine has a rotating cutter arranged at right angles to cut the wafer plate, it can cut vertically and horizontally while it is in progress, and a perforated plate is laid on the moving path, ensuring smooth movement and securing the position by suction. In addition to being able to rationally eliminate cutting waste and the like.
[Brief description of the drawings]
FIG. 1 is a block diagram of an embodiment of the present invention.
FIG. 2A is a conceptual diagram showing the cutting of a wafer plate and adjusting the interval between wafer pieces.
(B) Explanatory drawing which shows the relationship between a wafer piece and a perforated plate.
FIG. 3 is a plan view of an implementation apparatus of the present invention.
FIG. 4 is also a partial front view.
FIG. 5 is a partial side view of the same.
FIG. 6 is an enlarged plan view in which a part of a perforated plate through which a strip-shaped wafer piece is similarly passed is omitted.
FIG. 7 is an enlarged cross-sectional view similarly showing reduced-pressure adsorption.
FIG. 8 is an enlarged plan view in which a part of the perforated plate through which the wafer piece is passed is omitted.
FIG. 9 is an enlarged plan view in which a part of the strip-shaped wafer piece interval adjusting device is broken.
FIG. 10 is a side view partially cut away.
FIG. 11 is an enlarged plan view in which a part of the wafer piece interval adjusting device is cut off and a part thereof is omitted.
FIG. 12 is a side view partially cut away.
FIG. 13 is a front view in which a part is omitted and a part is broken.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wafer board 2 Strip-shaped wafer piece 3 Wafer piece 4 Adsorption board 5 Porous plate 11 Filter 13 Housing 14 Exhaust pipe 15 Machine stand 16 Mold 17 Conveyor 18 Feeder 19 Machine stand 20 Feeder 21, 23 Rotary cutter 22 , 24 Interval enlargement device 26, 29 Small hole group 28 Small hole group 31 Small hole 32, 33 Mounting shaft 34, 35 Regulating plate 38, 39 Pad 40, 40a, 40b, 40c, 40d, 40e Pad mounting plate 41 Adjustment piece 42 Stopper 43 Guide rod 43a Frame rod 44, 44a Connection rod 45 Air cylinder 46 Rod 49 Connector 52, 52a, 52b, 52c, 52d, 52e, 52f, 52g, 52h Mounting plate 53, 53a Guide rod 54 Stopper 55 Stop projection 56 Adjustment pieces 57, 58 Air cylinder 59, 60 Rod 61 Frame body 62, 63 Frame rod

Claims (4)

ウェハースを縦横に切断する方法において、所定大きさのウェハース板を一辺と平行に切断して短冊状ウェハース片とし、ついで各短冊状ウェハース片の相互間隔を、所定間隔に調節した後、長辺に直角方向から切断してウェハース片とし、各ウェハース片の上面に夫々パッドを当接し、前記パッドを下部を減圧吸引する位置へ水平移動させ、各ウェハース片の相互間隔を夫々所定間隔に調節することを特徴としたウェハース等の切断整列方法。  In the method of cutting wafers vertically and horizontally, a wafer plate of a predetermined size is cut in parallel with one side to form strip-shaped wafer pieces, and then the mutual interval between the strip-shaped wafer pieces is adjusted to a predetermined interval, A wafer piece is cut from a right angle direction, a pad is brought into contact with the upper surface of each wafer piece, the pad is horizontally moved to a position where the lower part is sucked under reduced pressure, and the mutual interval between the wafer pieces is adjusted to a predetermined interval. A method for cutting and aligning wafers and the like characterized by the above. ウェハースを載置すべき多孔板の上方へ、切断されたウェハース片に当接支持すべき複数のパッドを昇降可能に設置し、前記多孔板の下面に減圧手段を付設して切断屑等の吸着排除装置とし、前記パッドには、相互間隔を拡大又は縮小すべき制御手段を付設したことを特徴とするウェハース等の切断整列装置。  Above the perforated plate on which the wafer is to be placed, a plurality of pads to be brought into contact with and support the cut wafer pieces are installed so that they can be moved up and down. A cutting and aligning apparatus for wafers or the like, characterized in that the pad is provided with a control means for enlarging or reducing the mutual interval. 減圧手段は、ウェハースの全下面を覆う大きさの被覆匣と、該被覆匣をブロアーの吸引口に連結する排気ホースと、排気中に含まれた固形物を分離すべき濾過手段を結合させたことを特徴とする請求項記載のウェハース等の切断整列装置。The pressure reducing means is a combination of a cover soot that covers the entire lower surface of the wafer, an exhaust hose that connects the cover soot to the suction port of the blower, and a filtering means that separates solids contained in the exhaust. The apparatus for cutting and aligning wafers and the like according to claim 2 . 制御手段は、パッドの相互間隔を拡大又は縮小する平行移動手段としたことを特徴とする請求項記載のウェハース等の切断整列装置。 3. A cutting and aligning apparatus for wafers or the like according to claim 2 , wherein the control means is parallel translation means for enlarging or reducing the mutual space between the pads.
JP21175796A 1996-08-09 1996-08-09 Method and apparatus for cutting and aligning wafers, etc. Expired - Fee Related JP3763046B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21175796A JP3763046B2 (en) 1996-08-09 1996-08-09 Method and apparatus for cutting and aligning wafers, etc.

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Application Number Priority Date Filing Date Title
JP21175796A JP3763046B2 (en) 1996-08-09 1996-08-09 Method and apparatus for cutting and aligning wafers, etc.

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JPH1052217A JPH1052217A (en) 1998-02-24
JP3763046B2 true JP3763046B2 (en) 2006-04-05

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Publication number Priority date Publication date Assignee Title
AT501988B1 (en) * 2005-01-05 2010-02-15 Haas Franz Waffel & Keksanlagen Industrie Gmbh APPENDIX FOR MANUFACTURING AND DISTRIBUTING WAFFLE PIECES
CN116921790B (en) * 2023-08-28 2024-06-14 江苏欣恒蕴精密零件有限公司 Multi-welding-spot welding process for aerospace solar diode wafer module

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