JPH08206999A - Dividing method of plate-like hard fragile material - Google Patents
Dividing method of plate-like hard fragile materialInfo
- Publication number
- JPH08206999A JPH08206999A JP1531495A JP1531495A JPH08206999A JP H08206999 A JPH08206999 A JP H08206999A JP 1531495 A JP1531495 A JP 1531495A JP 1531495 A JP1531495 A JP 1531495A JP H08206999 A JPH08206999 A JP H08206999A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- hard
- brittle material
- dividing
- curved surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はプリント基板上に配置さ
れて電気回路構成のために使用されるセラミックで構成
されたチップ抵抗器などの板状硬脆材料を所定の寸法に
分割する際に利用される板状硬脆材料の分割方法に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate-shaped hard and brittle material such as a chip resistor made of ceramic which is arranged on a printed circuit board and used for electric circuit construction. The present invention relates to a method of dividing a plate-like hard and brittle material used.
【０００２】[0002]
【従来の技術】従来のこの種の板状硬脆材料の分割方法
について図面を用いて説明する。2. Description of the Related Art A conventional method for dividing a plate-like hard and brittle material of this type will be described with reference to the drawings.
【０００３】図１４は電極塗布されたチップ抵抗器用ア
ルミナシートを示す平面図であり、アルミナシート８１
上に最終素子サイズに合わせＸ方向の分割用の条痕８１
−ｘと、それとほぼ直行したＹ方向の分割用の条痕８１
−ｙが予め表面に設けられている。FIG. 14 is a plan view showing an alumina sheet for chip resistors coated with electrodes.
Striation marks 81 for dividing in the X direction according to the final element size
-X and a striation 81 for dividing in the Y direction which is almost orthogonal to it
-Y is previously provided on the surface.
【０００４】この種の分割は、まずＹ方向の分割を行っ
て短冊状の分割片を作り、この両側の切断面に電極形成
を行い、次にＸ方向の分割を行って最終個片に分割する
方法が用いられており、通称このＹ方向の１回目の分割
を一次分割、次のＸ方向の分割を二次分割と呼んでい
る。In this type of division, first, division in the Y direction is performed to form strip-shaped division pieces, electrodes are formed on the cut surfaces on both sides thereof, and then division in the X direction is performed to divide the final piece. The first division in the Y direction is called primary division, and the next division in the X direction is called secondary division.
【０００５】図１５は従来のチップ抵抗器用アルミナシ
ートの一次分割方法を示す側面図であり、同図において
８１はアルミナシート、８１−ｙはＹ方向の条痕、８２
はアルミナシートを載せる下型、８３はアルミナシート
を挟持する上型、８４はアルミナシート８１に曲げモー
メントを加える回転子、８４ａはこの回転子８４の先端
に一体で形成された回転子爪を示す。FIG. 15 is a side view showing a primary dividing method of a conventional alumina sheet for chip resistors. In FIG. 15, 81 is an alumina sheet, 81-y is a striation in the Y direction, and 82.
Is a lower mold for placing an alumina sheet, 83 is an upper mold for sandwiching the alumina sheet, 84 is a rotor for applying a bending moment to the alumina sheet 81, and 84a is a rotor claw integrally formed at the tip of the rotor 84. .
【０００６】次に、このような構成における従来の板状
硬脆材料の分割方法について説明する。Next, a conventional method for dividing a plate-like hard and brittle material having such a structure will be described.
【０００７】アルミナシート８１を端面より最も近いＹ
方向の条痕間隔分だけの寸法をはみ出させるようにして
下型８２の上面に載置し、上型８３と下型８２により挟
持する。回転子８４を図中矢印Ａ方向に回転することに
より回転子爪８４ａがアルミナシート８１に曲げモーメ
ントを与え、アルミナシート８１はＹ方向の条痕８１−
ｙより切断され分割される。さらにアルミナシート８１
を図中矢印Ｂ方向に送り同様の動作をもって順次分割を
行うように構成されていた。Alumina sheet 81 is closest to the end face Y
It is placed on the upper surface of the lower mold 82 so as to protrude by a dimension corresponding to the distance between the scratches in the direction, and is sandwiched by the upper mold 83 and the lower mold 82. By rotating the rotor 84 in the direction of arrow A in the figure, the rotor claws 84a give a bending moment to the alumina sheet 81, and the alumina sheet 81 becomes a streak 81-in the Y direction.
It is cut from y and divided. Alumina sheet 81
Was carried out in the direction of arrow B in the drawing, and the same operation was performed to perform sequential division.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら上記従来
の板状硬脆材料の分割方法では、シートの端から順番に
分割を行っているため、最初と最後の短冊状の分割片の
分割後の割れ品質にばらつきが発生し、また作業性も悪
いという課題があった。However, in the above-described conventional method for dividing a plate-like hard and brittle material, since the division is performed in order from the edge of the sheet, the first and last strip-shaped divided pieces are cracked after the division. There was a problem that quality was uneven and workability was poor.
【０００９】本発明はこのような従来の課題を解決する
ものであり、簡単な構成で且つ工数が少なく、設備コス
ト、製品コストも安い板状硬脆材料の分割方法を提供す
ることを目的とするものである。SUMMARY OF THE INVENTION The present invention is intended to solve such a conventional problem, and an object thereof is to provide a method of dividing a plate-like hard and brittle material having a simple structure, a small number of steps, and a low equipment cost and product cost. To do.
【００１０】[0010]
【課題を解決するための手段】上記課題を解決するため
に本発明の板状硬脆材料の分割方法は、板状硬脆材料の
少なくとも一面に予め分割のための条痕を設け、円弧状
のＲ面を凹状に形成した凹形曲面を有する下型と、この
凹形曲面とほぼ同等のＲ面を下面に凸状に形成した凸形
曲面を有する上型で上記条痕を設けた板状硬脆材料を挟
持して加圧することにより、上記板状硬脆材料を短冊状
に一方向に分割するようにしたものである。In order to solve the above-mentioned problems, a method of dividing a plate-like hard and brittle material of the present invention is such that at least one surface of the plate-like hard and brittle material is preliminarily provided with a striation for division, and an arc shape is formed. Of the lower mold having a concave curved surface having a concave R surface, and an upper mold having a convex curved surface having a convex lower surface having an R surface substantially equal to the concave curved surface, and a plate provided with the above-mentioned striations. The plate-like hard and brittle material is sandwiched and pressed to divide the plate-like hard and brittle material into strips in one direction.
【００１１】[0011]
【作用】この方法により、加圧する上型の凸形曲面は常
に板状硬脆材料のほぼ中心ラインに当たるために中心ラ
インより分割が行われ、１回目の分割が行われると次に
さらに分割片のほぼ中心ラインに上記凸形曲面が当たっ
て分割されて順次最後の条痕に至るまで分割されるた
め、常に中心より左右均等な状態にて分割を行うことが
できるために分割後の割れ品質を安定させることがで
き、さらにこの分割に必要な設備の構成も簡単にするこ
とができるものである。By this method, the convex curved surface of the upper die to be pressed always comes into contact with almost the center line of the plate-like hard and brittle material, so that it is divided from the center line. Since the convex curved surface hits almost the center line and is divided up to the last streak in order, it is possible to always divide in a state of left and right from the center, so the crack quality after division Can be stabilized and the structure of the equipment required for this division can be simplified.
【００１２】[0012]
（実施例１）以下、本発明の第１の実施例について図面
を参照しながら説明する。(Embodiment 1) Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.
【００１３】図１は同実施例における板状硬脆材料を示
す平面図であり、同図において１１は板状硬脆材料、１
１−ｙはＹ方向の分割用の条痕を示す。FIG. 1 is a plan view showing a plate-like hard and brittle material in the same embodiment. In FIG. 1, 11 is a plate-like hard and brittle material.
1-y indicates a striation for division in the Y direction.
【００１４】図２は同実施例による板状硬脆材料の分割
方法を示す斜視図であり、同図において１３は円弧状の
Ｒ面を凹状に形成した凹形Ｒ面１３ａを上面に有する加
圧板下型、１４は同じく円弧状のＲ面を凸状に形成した
凸形Ｒ面１４ａを下面に有する加圧板上型を示し、凹形
Ｒ面１３ａの半径と凸形Ｒ面１４ａの半径はほぼ同一に
形成されている。FIG. 2 is a perspective view showing a method of dividing a plate-like hard and brittle material according to the same embodiment. In FIG. 2, reference numeral 13 is a concave R surface 13a having an arcuate R surface formed in a concave shape. A pressure plate lower mold, 14 is a pressure plate upper mold having a convex R surface 14a on the lower surface, similarly having an arcuate R surface convexly formed, and the radius of the concave R surface 13a and the radius of the convex R surface 14a are They are formed almost the same.
【００１５】図３（ａ）〜（ｄ）は同実施例による板状
硬脆材料の分割方法のプロセスを示す側面図である。3 (a) to 3 (d) are side views showing the process of the method for dividing a plate-like hard and brittle material according to the same embodiment.
【００１６】次に、実際の分割方法について説明する。
まず、図２に示すように板状硬脆材料１１のＹ方向の条
痕１１−ｙが凹形Ｒ面１３ａに対面し、かつ加圧板下型
１３の長手方向に平行になるように板状硬脆材料１１を
加圧板下型１３上に配置する。次に、加圧板上型１４を
凸形Ｒ面１４ａと凹形Ｒ面１３ａが対面するように図中
矢印Ａ方向に加圧する。図３（ａ）に示すように加圧板
上型１４の凸形Ｒ面１４ａは板状硬脆材料１１のほぼ中
心ラインに当たり、図中矢印Ａ方向に加圧力を増やして
いくことにより図３（ｂ）に示すようにほぼ中心で切断
されて分割される。さらに同矢印Ａ方向に加圧力を増や
していくことにより、図３（ｃ）に示すようにそれぞれ
の分割片のほぼ中心で切断されて分割され、さらに加圧
することにより図３（ｄ）に示すように凹形Ｒ面１３ａ
に沿って最後の条痕に至るまで分割されて個片に分割さ
れるものである。Next, an actual dividing method will be described.
First, as shown in FIG. 2, the plate-like hard brittle material 11 is formed into a plate shape so that the scratches 11-y in the Y direction face the concave R surface 13a and are parallel to the longitudinal direction of the pressure plate lower mold 13. The hard and brittle material 11 is placed on the lower pressure plate mold 13. Next, the pressure plate upper mold 14 is pressed in the direction of arrow A in the figure so that the convex R surface 14a and the concave R surface 13a face each other. As shown in FIG. 3 (a), the convex R surface 14a of the pressing plate upper mold 14 is substantially in contact with the center line of the plate-like hard and brittle material 11, and the pressing force is increased in the direction of arrow A in FIG. As shown in b), it is cut at almost the center and divided. By further increasing the pressing force in the direction of the arrow A, as shown in FIG. 3 (c), the divided pieces are cut at substantially the center and divided, and further pressurized to show in FIG. 3 (d). Concave surface 13a
It is divided into individual pieces along the line up to the last streak.
【００１７】以上のように本実施例による板状硬脆材料
１１の分割方法は、常に中心より左右均等な状態にて板
状硬脆材料１１を分割することができるばかりでなく、
分割後の割れ品質を安定させることができ、さらに分割
に必要な設備の構成も簡単にすることができるものであ
る。As described above, the method of dividing the plate-like hard and brittle material 11 according to the present embodiment can not only divide the plate-like hard and brittle material 11 in a state where the plate hard and brittle material is always even from the center.
The quality of cracks after the division can be stabilized, and the structure of equipment required for the division can be simplified.
【００１８】（実施例２）以下、本発明の第２の実施例
について図面を参照しながら説明する。(Second Embodiment) A second embodiment of the present invention will be described below with reference to the drawings.
【００１９】図４（ａ）〜（ｃ）は同実施例における電
極塗布されたチップ抵抗器用のアルミナシートを示す平
面図であり、図４（ａ）は平面図、図４（ｂ）は側面
図、図４（ｃ）は下面図を示し、同図において２１はア
ルミナシート、２１−ｘ１は表面の分割のためのＸ方向
の条痕、２１−ｘ２は同裏面の条痕、２１−ｙ１は表面
の分割のためのＹ方向の条痕、２１−ｙ２は同裏面の条
痕、２２ａは表面の銀電極、２２ｂは裏面の銀電極、２
３は抵抗印刷及びガラスコートを示す。4 (a) to 4 (c) are plan views showing an alumina sheet for a chip resistor coated with electrodes in the same embodiment, FIG. 4 (a) is a plan view and FIG. 4 (b) is a side view. Fig. 4 (c) shows a bottom view, in which 21 is an alumina sheet, 21-x1 is a ridge in the X direction for dividing the front surface, 21-x2 is a ridge on the back surface, 21-y1. Is a stripe in the Y direction for dividing the surface, 21-y2 is a stripe on the back surface, 22a is a silver electrode on the front surface, 22b is a silver electrode on the back surface, 2
3 shows resistance printing and glass coating.
【００２０】図５（ａ）〜（ｄ）は電極塗布されたチッ
プ抵抗器用のアルミナシートの一次分割のプロセスを示
す側面図であり、同図において２４は上記実施例と同様
に形成された加圧板下型、２５は同加圧板上型を示す。5 (a) to 5 (d) are side views showing the process of the primary division of the electrode coated alumina sheet for chip resistors. In FIG. 5, 24 is the same as that of the above embodiment. A pressure plate lower mold and 25 are pressure plate upper molds.
【００２１】次に、実際の分割方法について説明する。
まず、図５（ａ）に示すように加圧板下型２４の凹形Ｒ
面２４ａにアルミナシート２１の印刷及びガラスコート
２３が対面し、かつ表面の分割用のＹ方向の条痕２１−
ｙ１が加圧板下型２４の長手方向に平行になるように配
置し、加圧板上型２５の凸形Ｒ面２５ａが上記凹形Ｒ面
２４ａと対面するように図中矢印Ａ方向に加圧すること
により同図（ｂ）に示すように凹形Ｒ面２４ａに沿って
分割切断が行われる。しかしながらこの時、表面の分割
用のＹ方向の条痕２１−ｙ１の上面に覆っている表面の
銀電極２２ａは条痕に沿って切断されるが、裏面の分割
用のＹ方向の条痕２１−ｙ２の上面に覆っている裏面の
銀電極２２ｂは切断されないため、次に同図（ｃ）に示
すように、アルミナシート２１を反転して同様に加圧す
ることにより、同図（ｄ）に示すように裏面の銀電極２
２ｂが切断されて分割が行われる。Next, an actual dividing method will be described.
First, as shown in FIG. 5A, the concave R of the pressure plate lower mold 24 is formed.
The surface 24a faces the printing of the alumina sheet 21 and the glass coat 23, and the stripes 21- in the Y direction for dividing the surface.
Arranged so that y1 is parallel to the longitudinal direction of the lower pressure plate mold 24, and pressurizing in the direction of arrow A in the figure so that the convex R surface 25a of the upper pressure plate mold 25 faces the concave R surface 24a. As a result, the divided cutting is performed along the concave R surface 24a as shown in FIG. However, at this time, the silver electrode 22a on the surface covering the upper surface of the Y-direction striations 21-y1 for dividing the front surface is cut along the striations, but the rear-side dividing striations 21 for y-direction 21-y1 are cut. Since the silver electrode 22b on the back surface covering the upper surface of -y2 is not cut, the alumina sheet 21 is inverted and pressed in the same manner as shown in FIG. Silver electrode 2 on the back as shown
2b is cut and division is performed.
【００２２】以上のように本実施例による電極塗布され
たチップ抵抗器用のアルミナシート２１の一次分割は、
両面の銀電極を含めて完全に精度よく行うことができ、
この分割に必要な設備の構成も簡単にすることができる
ものである。As described above, the primary division of the electrode coated alumina sheet 21 for chip resistors according to this embodiment is as follows.
It can be done completely accurately including the silver electrodes on both sides,
The configuration of the equipment required for this division can be simplified.
【００２３】（実施例３）以下、本発明の第３の実施例
について図面を参照しながら説明する。(Embodiment 3) A third embodiment of the present invention will be described below with reference to the drawings.
【００２４】図６（ａ）〜（ｄ）は同実施例における電
極塗布されたチップ抵抗器用のアルミナシートの一次分
割のプロセスを示す側面図を示し、同図において３１は
アルミナシート、３１−ｙ１は表面の分割用のＹ方向の
条痕、３３は抵抗印刷及びガラスコート、３４は半径Ｒ
Ａを有した凹形Ｒ面３４ａを有する加圧板下型、３５は
半径ＲＡを有した凸形Ｒ面３５ａを有する加圧板上型、
３６は半径ＲＢを有した凹形Ｒ面３６ａを有する加圧板
下型、３７は半径ＲＢを有した凸形Ｒ面３７ａを有する
加圧板上型を示す。6 (a) to 6 (d) are side views showing the process of primary division of the electrode-coated alumina sheet for chip resistors in the same embodiment, in which 31 is an alumina sheet, 31-y1. Is a scratch in the Y direction for dividing the surface, 33 is resistance printing and glass coating, 34 is a radius R
A pressure plate lower die having a concave R surface 34a having A, a pressure plate upper die 35 having a convex R surface 35a having a radius RA,
Reference numeral 36 denotes a pressure plate lower die having a concave R surface 36a having a radius RB, and 37 denotes a pressure plate upper die having a convex R surface 37a having a radius RB.
【００２５】次に、実際の分割方法について説明する。
まず、図６（ａ）に示すように加圧板下型３４の凹形Ｒ
面３４ａにアルミナシート３１の印刷及びガラスコート
３３が対面し、かつ表面の分割用のＹ方向の条痕３１−
ｙ１が加圧板下型３４の長手方向に平行になるように配
置し、加圧板上型３５の凸形Ｒ面３５ａが上記凹形Ｒ面
３４ａと対面するように図中矢印Ａ方向にＰ１の力で加
圧することにより同図（ｂ）に示すように凹形Ｒ面に沿
って分割切断が行われる。次に、同図（ｃ）に示すよう
に、アルミナシート３１を反転し、その時１回目の加圧
時の加圧板下型３４の半径ＲＡより小さな半径ＲＢを有
した加圧板下型３６に反転して配置する。さらに加圧板
上型３７の凸形Ｒ面３７ａが加圧板下型３６の凹形Ｒ面
３６ａと対面するように図中矢印Ａ方向にＰ２の力で加
圧する。この時Ｐ２は上記Ｐ１に比べ比較的弱い力で加
圧することができる。Next, an actual dividing method will be described.
First, as shown in FIG. 6A, the concave R of the pressure plate lower mold 34 is formed.
The Y-direction striations 31-for printing the alumina sheet 31 and the glass coat 33 face the surface 34a and dividing the surface.
It is arranged so that y1 is parallel to the longitudinal direction of the pressure plate lower mold 34, and the convex R surface 35a of the pressure plate upper mold 35 faces the concave R surface 34a in the direction of arrow A in the figure. By pressurizing with a force, the divided cutting is performed along the concave R surface as shown in FIG. Next, as shown in FIG. 6C, the alumina sheet 31 is inverted, and then the pressure plate lower die 36 having a radius RB smaller than the radius RA of the pressure plate lower die 34 at the time of the first press is inverted. And place it. Further, the convex R surface 37a of the pressure plate upper die 37 and the concave R surface 36a of the pressure plate lower die 36 are pressed by the force P2 in the direction of arrow A in the drawing. At this time, P2 can be pressed with a relatively weaker force than P1.
【００２６】以上のように本実施例による電極塗布され
たチップ抵抗器用のアルミナシート３１の一次分割は、
両面の銀電極を含めて完全に精度よく行うことができ、
この分割に必要な設備の構成も簡単にすることができる
ものである。As described above, the primary division of the alumina sheet 31 for chip resistors coated with electrodes according to this embodiment is as follows.
It can be done completely accurately including the silver electrodes on both sides,
The configuration of the equipment required for this division can be simplified.
【００２７】（実施例４）以下、本発明の第４の実施例
について図面を参照しながら説明する。(Embodiment 4) A fourth embodiment of the present invention will be described below with reference to the drawings.
【００２８】図７は同実施例における矩形板状硬脆材料
の平面図を示し、同図において４１は矩形板状硬脆材料
シート、４１−ｘは表面の分割用のＸ方向の条痕、４１
−ｙは表面の分割用のＹ方向の条痕を示し、分割後の素
子寸法はＸ軸寸法＞Ｙ軸寸法になっている。FIG. 7 is a plan view of the rectangular plate-shaped hard and brittle material in the same embodiment, in which 41 is a rectangular plate-shaped hard and brittle material sheet, 41-x is a striation in the X direction for dividing the surface, 41
-Y indicates a Y-direction striation for dividing the surface, and the element size after the division is X-axis size> Y-axis size.
【００２９】図８は上記図７に示した矩形板状硬脆材料
シート４１の分割方法を示す斜視図であり、同図におい
て４４はＸ軸方向に凹形Ｒ面４４ＲＢを、Ｙ軸方向に凹
形Ｒ面４４ＲＡを有する加圧板下型、４５はＸ軸方向に
凸形Ｒ面４５ＲＢを、Ｙ軸方向に凸形Ｒ面４５ＲＡを有
する加圧板上型を示す。FIG. 8 is a perspective view showing a method of dividing the rectangular plate-like hard and brittle material sheet 41 shown in FIG. 7, in which 44 is a concave R surface 44RB in the X-axis direction, and 44 is a Y-axis direction. A pressure plate lower die having a concave R surface 44RA and a pressure plate upper die 45 having a convex R surface 45RB in the X-axis direction and a convex R surface 45RA in the Y-axis direction.
【００３０】次に、実際の分割方法について説明する。
まず、図８に示すように矩形板状硬脆材料シート４１の
条痕のある面を加圧板下型４４に対面させ、矩形板状硬
脆材料シート４１のＸ軸、Ｙ軸方向と加圧板下型４４の
Ｘ軸、Ｙ軸方向をそれぞれほぼ一致させて配置する。次
に、加圧板上型４５の凸形Ｒ面４５ＲＢが加圧板下型４
４の凹形Ｒ面４４ＲＢに対面するように配置し、加圧板
上型４５を図中矢印Ａ方向に加圧することにより、矩形
板状硬脆材料シート４１の一括分割を行うものである。Next, an actual dividing method will be described.
First, as shown in FIG. 8, the surface of the rectangular plate-shaped hard and brittle material sheet 41 with the striations is faced to the pressing plate lower die 44, and the X-axis and Y-axis directions of the rectangular plate-shaped hard and brittle material sheet 41 and the pressing plate. The lower mold 44 is arranged so that the X-axis and Y-axis directions are substantially the same. Next, the convex R surface 45RB of the pressure plate upper die 45 is pressed by the pressure plate lower die 4
The rectangular plate-shaped hard and brittle material sheet 41 is collectively divided by arranging so as to face the concave R surface 44RB of No. 4 and pressing the pressing plate upper die 45 in the direction of arrow A in the drawing.
【００３１】以上のように本実施例による矩形板状硬脆
材料シート４１の一括分割は、素子形状が矩形にもかか
わらず１工程で精度よく分割することができ、この分割
に必要な設備の構成も簡単にすることができるものであ
る。As described above, the rectangular plate-shaped hard and brittle material sheet 41 according to the present embodiment can be accurately divided in one step even if the element shape is rectangular. The configuration can also be simplified.
【００３２】（実施例５）以下、本発明の第５の実施例
について図面を参照しながら説明する。(Fifth Embodiment) A fifth embodiment of the present invention will be described below with reference to the drawings.
【００３３】図９は同実施例における矩形板状硬脆材料
の平面図を示し、同図において５１は矩形板状硬脆材料
シート、５１−ｘは表面の分割用のＸ方向の条痕、５１
−ｙは表面の分割用のＹ方向の条痕を示し、分割後の素
子寸法はＸ軸寸法＞Ｙ軸寸法になっており、その比率は
Ｘ軸：Ｙ軸＝ｂ：ａに形成されている。FIG. 9 is a plan view of a rectangular plate-shaped hard and brittle material in the same embodiment, in which 51 is a rectangular plate-shaped hard and brittle material sheet, 51-x is a striation in the X direction for dividing the surface, 51
-Y indicates a Y-direction striation for dividing the surface, the element size after division is X-axis dimension> Y-axis dimension, and the ratio is formed as X-axis: Y-axis = b: a. There is.
【００３４】図１０は上記図９に示した矩形板状硬脆材
料シート５１の分割方法を示す斜視図であり、同図にお
いて５４はＸ軸方向に凹形Ｒ面５４ＲＢを、Ｙ軸方向に
凹形Ｒ面５４ＲＡを有する加圧板下型、５５はＸ軸方向
に凸形Ｒ面５５ＲＢを、Ｙ軸方向に凸形Ｒ面５５ＲＡを
有する加圧板上型を示し、この凹形Ｒ面及び凸形Ｒ面の
寸法比率はＸ軸：Ｙ軸＝ＲＢ：ＲＡであり、矩形板状硬
脆材料シート５１の素子寸法と、ＲＢ：ＲＡ＝ｂ：ａと
なっている。FIG. 10 is a perspective view showing a method of dividing the rectangular plate-like hard and brittle material sheet 51 shown in FIG. 9, in which 54 is a concave R surface 54RB in the X-axis direction and Y-axis direction. A pressure plate lower mold having a concave R surface 54RA, 55 is a pressure plate upper mold having a convex R surface 55RB in the X-axis direction and a convex R surface 55RA in the Y-axis direction. The dimensional ratio of the shape R surface is X axis: Y axis = RB: RA, and the element size of the rectangular plate-like hard and brittle material sheet 51 and RB: RA = b: a.
【００３５】次に、実際の分割方法について説明する。
まず、図１０に示すように矩形板状硬脆材料シート５１
の条痕のある面を加圧板下型５４に対面させ、矩形板状
硬脆材料シート５１のＸ軸、Ｙ軸方向と加圧板下型５４
のＸ軸、Ｙ軸方向をそれぞれほぼ一致させて配置する。
次に、加圧板上型５５の凸形Ｒ面５５ＲＢが加圧板下型
５４の凹形Ｒ面５４ＲＢに対面するように配置し、加圧
板上型５５を図中矢印Ａ方向に加圧することにより、矩
形板状硬脆材料シート５１の一括分割を行うものであ
る。Next, an actual dividing method will be described.
First, as shown in FIG. 10, a rectangular plate-like hard and brittle material sheet 51
Of the rectangular plate-shaped hard and brittle material sheet 51 in the X-axis and Y-axis directions and the pressure plate lower mold 54.
The X-axis direction and the Y-axis direction are substantially aligned with each other.
Next, the convex R surface 55RB of the pressing plate upper die 55 is arranged so as to face the concave R surface 54RB of the pressing plate lower die 54, and the pressing plate upper die 55 is pressed in the direction of arrow A in the drawing. The rectangular plate-like hard and brittle material sheet 51 is collectively divided.
【００３６】以上のように本実施例による矩形板状硬脆
材料シート５１の一括分割は、素子の矩形寸法に合わせ
た球面で分割を行っているため、矩形板状硬脆材料シー
ト５１の一括分割を１工程でより精度よく行うことがで
き、この分割に必要な設備の構成も簡単にすることがで
きるものである。As described above, since the rectangular plate-shaped hard and brittle material sheet 51 according to the present embodiment is divided at one time by the spherical surface corresponding to the rectangular dimension of the element, the rectangular plate-shaped hard and brittle material sheet 51 is collectively divided. The division can be performed more accurately in one step, and the configuration of equipment required for this division can be simplified.
【００３７】（実施例６）以下、本発明の第６の実施例
について図面を参照しながら説明する。(Embodiment 6) A sixth embodiment of the present invention will be described below with reference to the drawings.
【００３８】図１１（ａ）〜（ｃ）は同実施例における
板状硬脆材料の分割のプロセスを示す斜視図であり、同
図において６１は板状硬脆材料シート、６１−ｘは表面
の分割用のＸ方向の条痕、６１−ｙは表面の分割用のＹ
方向の条痕、６２は粘着性のあるテープ、６４は加圧板
下型、６５は加圧板上型、矢印Ａは加圧板上型６５の圧
縮方向、矢印Ｂはテープ６２の送り方向、矢印Ｃは加圧
板上型６５の圧縮解除方向を示す。11 (a) to 11 (c) are perspective views showing a process of dividing the plate-like hard and brittle material in the same embodiment, in which 61 is a plate-like hard and brittle material sheet and 61-x is a surface. X-direction striations for the division of No. 61-y are Y for the division of the surface
Stripes in the direction, 62 is an adhesive tape, 64 is a pressure plate lower mold, 65 is a pressure plate upper mold, arrow A is a compression direction of the pressure plate upper mold 65, arrow B is a tape 62 feeding direction, arrow C Indicates the direction of decompressing the pressure plate upper mold 65.
【００３９】次に、実際の分割方法について説明する。
まず、図１１（ａ）に示すように板状硬脆材料シート６
１を分割用のＸ方向の条痕６１−ｘ及びＹ方向の条痕６
１−ｙのある面が表面になるよう粘着性のあるテープ６
２に貼り合わせる。次に、図１１（ｂ）〜（ｃ）に示す
ような要領で粘着性のあるテープ６２に貼り合わせた板
状硬脆材料シート６１を加圧板下型６４上にセットし、
加圧板上型６５にて図中矢印Ａ方向に圧縮することによ
り分割を行う。次に、加圧板上型６５を図中矢印Ｃ方向
に圧縮解除を行い、粘着性のあるテープ６２を図中矢印
Ｂ方向へ送り、更に次の板状硬脆材料シート６１の加工
を行うようにするものである。Next, an actual dividing method will be described.
First, as shown in FIG. 11A, the plate-like hard and brittle material sheet 6
1 for dividing X-direction striations 61-x and Y-direction striations 6
Adhesive tape 6 so that the side with 1-y is the surface 6
Stick on 2. Next, the plate-like hard and brittle material sheet 61 attached to the adhesive tape 62 is set on the pressure plate lower mold 64 as shown in FIGS.
Dividing is performed by compressing in the direction of arrow A in the figure with the press plate upper die 65. Next, the pressure plate upper die 65 is decompressed in the direction of the arrow C in the drawing, the adhesive tape 62 is fed in the direction of the arrow B in the drawing, and the next plate-shaped hard and brittle material sheet 61 is processed. It is something to do.
【００４０】以上のように本実施例による板状硬脆材料
シート６１の分割は、板状硬脆材料シート６１を粘着性
のあるテープ６２に固定しているために連続的に加工が
でき、加工後素子がばらばらになることがなく取扱いが
容易にでき、生産効率を向上させることができるもので
ある。As described above, the division of the plate-like hard and brittle material sheet 61 according to this embodiment can be continuously processed because the plate-like hard and brittle material sheet 61 is fixed to the adhesive tape 62. After processing, the elements do not come apart and can be easily handled, and the production efficiency can be improved.
【００４１】（実施例７）以下、本発明の第７の実施例
について図面を参照しながら説明する。(Embodiment 7) Hereinafter, a seventh embodiment of the present invention will be described with reference to the drawings.
【００４２】図１２（ａ）〜（ｃ）ならびに図１３
（ａ），（ｂ）は同実施例における板状硬脆材料の分割
のプロセスを示す斜視図であり、同図において７１は板
状硬脆材料シート、７１−ｘは表面の分割用のＸ方向の
条痕、７１−ｙは表面の分割用のＹ方向の条痕、７２は
粘着性のあるテープ、７４は加圧板下型、７５は加圧板
上型、矢印Ａは加圧板上型７５の圧縮方向、７３ａ〜７
３ｄはテープ７２を外周方向（図中矢印→方向）に引っ
張るエキスパンダー、７１−ｘａと７１−ｙａは分割に
より発生した隙間、矢印Ｂは加圧板上型７５の圧縮解除
方向を示す。12A to 12C and FIG.
(A), (b) is a perspective view which shows the process of division | segmentation of the plate-shaped hard-brittle material in the Example, 71 is a plate-shaped hard-brittle material sheet, 71-x is X for surface division. Direction striations, 71-y is a Y-direction striation for dividing the surface, 72 is an adhesive tape, 74 is a pressure plate lower die, 75 is a pressure plate upper die, and arrow A is a pressure plate upper die 75 Compression direction, 73a-7
3d is an expander for pulling the tape 72 in the outer peripheral direction (arrow direction in the figure), 71-xa and 71-ya are gaps generated by division, and arrow B is the direction for decompressing the pressure plate upper die 75.
【００４３】次に、実際の分割方法について説明する。
まず、図１２（ａ）に示すように板状硬脆材料シート７
１を分割用のＸ方向の条痕７１−ｘ及びＹ方向の条痕７
１−ｙのある面が表面になるようにして粘着性のあるテ
ープ７２に貼り合わせる。次に、図１２（ｂ）〜（ｃ）
に示すような要領で粘着性のあるテープ７２上に貼り合
わせた板状硬脆材料シート７１を加圧板下型７４上にセ
ットし、加圧板上型７５にて図中矢印Ａ方向に圧縮を行
って分割を行う。次に、図１３（ａ）に示すようにエキ
スパンダー７３ａ〜７３ｄを用いて板状硬脆材料シート
７１の各条痕とほぼ直角になるように外周方向に引っ張
ることにより、板状硬脆材料シート７１の分割を行う。
次に、図１３（ｂ）に示すようにエキスパンダー７３ａ
〜７３ｄの引っ張りを、図中矢印Ｂ方向に加圧板上型７
５の圧縮解除を行った後も維持し、隙間７１−ｘａと７
１−ｙａを確保した状態を保つようにして分割作業を終
えるものである。Next, an actual dividing method will be described.
First, as shown in FIG. 12A, the plate-like hard and brittle material sheet 7
1 for dividing X-direction striations 71-x and Y-direction striations 7
The tape 1 having the 1-y surface is attached to the adhesive tape 72 so that the surface is the surface. Next, FIGS. 12B to 12C
The plate-like hard and brittle material sheet 71 adhered on the adhesive tape 72 is set on the pressure plate lower mold 74 and compressed by the pressure plate upper mold 75 in the direction of arrow A in the figure. Go and split. Next, as shown in FIG. 13A, the plate-like hard and brittle material sheet is pulled by using the expanders 73a to 73d in the outer peripheral direction so as to be substantially perpendicular to the respective scratches of the plate-like hard and brittle material sheet 71. 71 divisions are performed.
Next, as shown in FIG. 13B, the expander 73a
~ 73d pulling, in the direction of the arrow B in the figure
It is maintained even after decompressing No. 5, and the gaps 71-xa and 7
The division work is completed while maintaining the state in which 1-ya is secured.
【００４４】以上のように本実施例による板状硬脆材料
シート７１の分割は、今まで圧縮による分割時に発生し
た素子間の隙間が圧縮解除を行った時全く無くなり、分
割された各素子間が緩衝してチッピングの原因になると
いう課題を解決することができ、分割時に発生した各素
子間の隙間をエキスパンダー７３ａ〜７３ｄにより引っ
張ることによって隙間を確保し、分割時の品質を飛躍的
に向上させることができるものである。As described above, in the division of the plate-like hard and brittle material sheet 71 according to the present embodiment, the gap between the elements, which has been generated at the time of division by compression, disappears at the time of decompression, and the divided elements are separated from each other. Can solve the problem of causing chipping by buffering, and the gap between each element generated at the time of division is pulled by the expanders 73a to 73d to secure the gap, and the quality at the time of division is dramatically improved. It can be done.
【００４５】[0045]
【発明の効果】本発明は上記から明らかなように板状硬
脆材料、例えばチップ抵抗器用のアルミナシート等の一
面もしくは両面に予め分割用の条痕を設け、凹形のＲ面
と凸形のＲ面を有する一対の加圧板で挟持し加圧すると
いう簡単な方法により、チップ抵抗器用のアルミナシー
トの一次分割を精度よく行うことができるものである。As is apparent from the above, the present invention provides a concave R-face and a convex R-face with a plate-shaped hard and brittle material, for example, an alumina sheet for a chip resistor or the like, on which one or both surfaces are preliminarily provided with splitting marks. It is possible to accurately perform the primary division of the alumina sheet for the chip resistor by a simple method of sandwiching and pressing with a pair of pressure plates having the R surface.
【図１】本発明の第１の実施例における板状硬脆材料を
示す平面図FIG. 1 is a plan view showing a plate-like hard and brittle material according to a first embodiment of the present invention.
【図２】同実施例による板状硬脆材料の分割方法を示す
斜視図FIG. 2 is a perspective view showing a method of dividing a plate-like hard and brittle material according to the same embodiment.
【図３】同実施例による分割のプロセスを示す側面図FIG. 3 is a side view showing a dividing process according to the embodiment.
【図４】（ａ）本発明の第２の実施例におけるチップ抵
抗器用アルミナシートを示す平面図 （ｂ）同正面図 （ｃ）同下面図FIG. 4A is a plan view showing an alumina sheet for chip resistors in a second embodiment of the present invention. FIG. 4B is a front view of the same and FIG. 4C is a bottom view of the same.
【図５】同実施例におけるチップ抵抗器用アルミナシー
トの一次分割のプロセスを示す側面図FIG. 5 is a side view showing a process of primary division of the alumina sheet for chip resistors in the example.
【図６】本発明の第３の実施例におけるチップ抵抗器用
アルミナシートの一次分割のプロセスを示す側面図FIG. 6 is a side view showing the process of primary division of the alumina sheet for chip resistors in the third embodiment of the present invention.
【図７】本発明の第４の実施例における矩形板状硬脆材
料を示す平面図FIG. 7 is a plan view showing a rectangular plate-like hard and brittle material according to a fourth embodiment of the present invention.
【図８】同実施例による矩形板状硬脆材料の分割方法を
示す斜視図FIG. 8 is a perspective view showing a method for dividing a rectangular plate-like hard and brittle material according to the same embodiment.
【図９】本発明の第５の実施例における矩形板状硬脆材
料を示す平面図FIG. 9 is a plan view showing a rectangular plate-like hard and brittle material according to a fifth embodiment of the present invention.
【図１０】同実施例による矩形板状硬脆材料の分割方法
を示す斜視図FIG. 10 is a perspective view showing a method of dividing a rectangular plate-like hard and brittle material according to the same embodiment.
【図１１】本発明の第６の実施例における板状硬脆材料
の分割プロセスを示す斜視図FIG. 11 is a perspective view showing a dividing process of a plate-like hard and brittle material according to a sixth embodiment of the present invention.
【図１２】本発明の第７の実施例における板状硬脆材料
の分割プロセスを示す斜視図FIG. 12 is a perspective view showing a dividing process of a plate-like hard and brittle material according to a seventh embodiment of the present invention.
【図１３】同実施例による板状硬脆材料の分割プロセス
を示す斜視図FIG. 13 is a perspective view showing a dividing process of a plate-like hard and brittle material according to the example.
【図１４】従来のチップ抵抗器用アルミナシートを示す
平面図FIG. 14 is a plan view showing a conventional alumina sheet for chip resistors.
【図１５】従来のチップ抵抗器用アルミナシートの一次
分割方法を示す側面図FIG. 15 is a side view showing a conventional primary dividing method for an alumina sheet for chip resistors.
１１ 板状硬脆材料 １１−ｙ Ｙ方向の条痕 １３ 下型 １３ａ 凹形曲面 １４ 上型 １４ａ 凸形曲面 ２１ アルミナシート ２１−ｘ１ 表面のＸ方向の条痕 ２１−ｘ２ 裏面のＸ方向の条痕 ２１−ｙ１ 表面のＹ方向の条痕 ２１−ｙ２ 裏面のＹ方向の条痕 ２２ａ 表面の銀電極 ２２ｂ 裏面の銀電極 ２３ 抵抗印刷及びガラスコート ２４ 下型 ２４ａ 凹形曲面 ２５ 上型 ２５ａ 凸形曲面 ３１ アルミナシート ３１−ｙ１ 表面のＹ方向の条痕 ３３ 抵抗印刷及びガラスコート ３４ 下型 ３４ａ 凹形曲面 ３５ 上型 ３５ａ 凸形曲面 ３６ 下型 ３６ａ 凹形曲面 ３７ 上型 ３７ａ 凸形曲面 ４１ 矩形板状硬脆材料シート ４１−ｘ Ｘ方向の条痕 ４１−ｙ Ｙ方向の条痕 ４４ 下型 ４４ＲＡ 凹形曲面 ４４ＲＢ 凹形曲面 ４５ 上型 ４５ＲＡ 凸形曲面 ４５ＲＢ 凸形曲面 ５１ 矩形板状硬脆材料シート５１−ｘ Ｘ方向の条痕 ５１−ｙ Ｙ方向の条痕 ５４ 下型 ５４ＲＡ 凹形曲面 ５４ＲＢ 凹形曲面 ５５ 上型 ５５ＲＡ 凸形曲面 ５５ＲＢ 凸形曲面 ６１ 板状硬脆材料シート ６１−ｘ Ｘ方向の条痕 ６１−ｙ Ｙ方向の条痕 ６２ 粘着性のあるテープ ６４ 下型 ６５ 上型 ７１ 板状硬脆材料シート ７１−ｘ Ｘ方向の条痕 ７１−ｘａ Ｘ方向の素子間隙間 ７１−ｙ Ｙ方向の条痕 ７１−ｙａ Ｙ方向の素子間隙間 ７２ 粘着性のあるテープ ７３ａ エキスパンダー ７３ｂ エキスパンダー ７３ｃ エキスパンダー ７３ｄ エキスパンダー ７４ 下型 ７５ 上型 11 plate-like hard brittle material 11-y Y-direction striations 13 lower die 13a concave curved surface 14 upper die 14a convex curved surface 21 alumina sheet 21-x1 surface X-directional striations 21-x2 rear surface X-directional striations Scratches 21-y1 Scratches in the Y direction on the surface 21-y2 Scratches in the Y direction on the back surface 22a Silver electrodes on the front surface 22b Silver electrodes on the back surface 23 Resistance printing and glass coat 24 Lower mold 24a Concave curved surface 25 Upper mold 25a Convex Curved surface 31 Alumina sheet 31-y1 Y-direction striations on the surface 33 Resistive printing and glass coating 34 Lower mold 34a Concave curved surface 35 Upper mold 35a Convex curved surface 36 Lower mold 36a Concave curved surface 37 Upper mold 37a Convex curved surface 41 Rectangle Plate-shaped hard-brittle material sheet 41-x Strokes in X direction 41-y Y-direction striations 44 Lower die 44RA Concave curved surface 44RB Concave curved surface 45 Upper die 45RA Convex curved surface 45R Convex curved surface 51 Rectangular plate-like hard and brittle material sheet 51-x X-direction striations 51-y Y-direction striations 54 Lower mold 54RA Concave curved surface 54RB Concave curved surface 55 Upper mold 55RA Convex curved surface 55RB Convex curved surface 61 Plate-like hard and brittle material sheet 61-x X-direction striations 61-y Y-direction striations 62 Adhesive tape 64 Lower mold 65 Upper mold 71 Plate-like hard and brittle material sheet 71-x X-direction striations 71 -Xa gap between elements in X direction 71-y striation in Y direction 71-ya gap between elements in Y direction 72 adhesive tape 73a expander 73b expander 73c expander 73d expander 74 lower mold 75 upper mold
Claims (9)
割のための条痕を設け、円弧状のＲ面を凹状に形成した
凹形曲面を上面に有する下型と、この凹形曲面とほぼ同
等のＲ面を下面に凸状に形成した凸形曲面を有する上型
で上記条痕を設けた板状硬脆材料を挟持して加圧するこ
とにより、上記板状硬脆材料を短冊状に一方向に分割す
るようにした板状硬脆材料の分割方法。1. A lower mold having a concave curved surface on the upper surface of which a ridge for division is previously provided on at least one surface of a plate-like hard and brittle material, and an arcuate R surface is formed in a concave shape, and the concave curved surface. By sandwiching and pressing the plate-like hard and brittle material provided with the above-mentioned scratches with an upper die having a convex curved surface in which a substantially equal R surface is convexly formed on the lower surface, the plate-like hard and brittle material is strip-shaped. A method of dividing a plate-like hard and brittle material into one direction.
シートとした請求項１記載の板状硬脆材料の分割方法。2. The method for dividing a plate-like hard and brittle material according to claim 1, wherein the plate-like hard and brittle material is an alumina sheet for a chip resistor.
抗器用アルミナシートとし、このチップ抵抗器用アルミ
ナシートを上型と下型で挟持して加圧した後に表裏反転
し、再度同上型と下型で挟持して加圧することにより分
割するようにした請求項１記載の板状硬脆材料の分割方
法。3. A plate-resisting brittle material is used as an electrode-coated alumina sheet for chip resistors, the chip resistor alumina sheet is sandwiched between an upper mold and a lower mold, pressed, and then turned upside down, and again the same mold is formed. The method for dividing a plate-like hard and brittle material according to claim 1, wherein the plate-like hard and brittle material is divided by being sandwiched by a lower mold and pressurized.
設けた凸形曲面、凹形曲面を形成するＲに対し、２回目
の加圧に用いる上下型にそれぞれ設けた凸形曲面、凹形
曲面を形成するＲを小さい寸法の半径で構成した請求項
３記載の板状硬脆材料の分割方法。4. The convex curved surface and the concave surface provided on the upper and lower molds used for the second pressing, respectively, in contrast to the convex curved surface and the concave curved surface formed on the upper and lower molds used for the first pressing, respectively. The method for dividing a plate-like hard and brittle material according to claim 3, wherein R forming the curved surface is constituted by a radius having a small dimension.
ならびに円弧状のＲ面を凸状に形成した凸形曲面のそれ
ぞれに、異なる大きさの円弧状のＲ面を直交して設けて
凹形複合曲面ならびに凸形複合曲面とし、板状硬脆材料
をＸＹ方向に個片に分割するようにした請求項１記載の
板状硬脆材料の分割方法。5. An arcuate R surface of different size is orthogonally crossed to each of a concave curved surface in which an arcuate R surface is formed in a concave shape and a convex curved surface in which an arcuate R surface is formed in a convex shape. The method for dividing a plate-shaped hard and brittle material according to claim 1, wherein the plate-shaped hard and brittle material is divided into individual pieces in the XY direction by providing concave composite curved surfaces and convex composite curved surfaces.
れぞれ形成する異なる大きさの２つの円弧状のＲ面の比
率を、分割を行う矩形素子の長辺と短辺の比率とした請
求項５記載の板状硬脆材料の分割方法。6. A ratio of two arc-shaped R surfaces of different sizes forming a concave compound curved surface and a convex compound curved surface, respectively, is defined as a ratio of a long side and a short side of a rectangular element to be divided. 5. The method for dividing a plate-like hard and brittle material according to 5.
ップ抵抗器用アルミナシートとした請求項６記載の板状
硬脆材料の分割方法。7. The method of dividing a plate-like hard and brittle material according to claim 6, wherein the plate-like hard and brittle material is an alumina sheet for a chip resistor composed of rectangular elements.
を設けた板状硬脆材料を粘着性を有したテープなどに貼
り付け、これを凹形曲面と凸形曲面をそれぞれ有する上
下型、もしくは平面部を有する上下型により挟持して加
圧することにより、上記板状硬脆材料を分割するように
した板状硬脆材料の分割方法。8. A plate-like hard and brittle material having at least one surface in which a ridge for division is previously provided is attached to an adhesive tape or the like, which is a vertical mold having a concave curved surface and a convex curved surface, respectively. Alternatively, a method of dividing a plate-like hard and brittle material, in which the plate-like hard and brittle material is divided by sandwiching and pressing by upper and lower dies having a flat surface portion.
ぼ同時に粘着性を有したテープなどを板状硬脆材料の外
周方向にエキスパンディングするようにした請求項８記
載の板状硬脆材料の分割方法。9. The plate-like hard-brittle material according to claim 8, wherein a tape or the like having adhesiveness is expanded in the outer peripheral direction of the plate-like hard-brittle material immediately before or substantially simultaneously with releasing the pressure applied to the upper and lower molds. Split method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1531495A JPH08206999A (en) | 1995-02-01 | 1995-02-01 | Dividing method of plate-like hard fragile material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1531495A JPH08206999A (en) | 1995-02-01 | 1995-02-01 | Dividing method of plate-like hard fragile material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08206999A true JPH08206999A (en) | 1996-08-13 |
Family
ID=11885330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1531495A Pending JPH08206999A (en) | 1995-02-01 | 1995-02-01 | Dividing method of plate-like hard fragile material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08206999A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000223360A (en) * | 1999-01-28 | 2000-08-11 | Tdk Corp | Manufacture of laminated ceramic chip component and device |
| JP2006281324A (en) * | 2005-03-31 | 2006-10-19 | Mitsubishi Materials Corp | Splitting method of plate-like body and method for manufacturing plate-like split body |
| JP2009099895A (en) * | 2007-10-19 | 2009-05-07 | Fdk Corp | Ferrite sheet for noise countermeasure |
| JP2010087348A (en) * | 2008-10-01 | 2010-04-15 | Ngk Spark Plug Co Ltd | Method of manufacturing wiring substrate |
| CN108789888A (en) * | 2018-07-23 | 2018-11-13 | 中国工程物理研究院激光聚变研究中心 | Curved crystals preparation method for X-ray micro-imaging |
-
1995
- 1995-02-01 JP JP1531495A patent/JPH08206999A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000223360A (en) * | 1999-01-28 | 2000-08-11 | Tdk Corp | Manufacture of laminated ceramic chip component and device |
| JP2006281324A (en) * | 2005-03-31 | 2006-10-19 | Mitsubishi Materials Corp | Splitting method of plate-like body and method for manufacturing plate-like split body |
| JP2009099895A (en) * | 2007-10-19 | 2009-05-07 | Fdk Corp | Ferrite sheet for noise countermeasure |
| JP2010087348A (en) * | 2008-10-01 | 2010-04-15 | Ngk Spark Plug Co Ltd | Method of manufacturing wiring substrate |
| CN108789888A (en) * | 2018-07-23 | 2018-11-13 | 中国工程物理研究院激光聚变研究中心 | Curved crystals preparation method for X-ray micro-imaging |
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