JP2543619Y2 - Mobile trolley pressing device - Google Patents
Mobile trolley pressing deviceInfo
- Publication number
- JP2543619Y2 JP2543619Y2 JP6801491U JP6801491U JP2543619Y2 JP 2543619 Y2 JP2543619 Y2 JP 2543619Y2 JP 6801491 U JP6801491 U JP 6801491U JP 6801491 U JP6801491 U JP 6801491U JP 2543619 Y2 JP2543619 Y2 JP 2543619Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- pressing device
- magnetic body
- magnet portion
- moving
- 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.)
- Expired - Lifetime
Links
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- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Manipulator (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、大型オイルタンク等の
保守、検査作業等に使用される移動台車の押付装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressing device for a mobile trolley used for maintenance and inspection work of a large oil tank and the like.
【０００２】[0002]
【従来の技術】例えば大型オイルタンク内の保守、検査
作業には、単作業用の遠隔操作工具を使用し、作業員が
タンク内に直接入って作業している。遠隔操作工具は移
動台車に積載されてタンク内を移動するようになってい
る。移動台車の移動は、モータ等の駆動手段によって車
輪を駆動して行なっている。2. Description of the Related Art For example, for maintenance and inspection work in a large oil tank, a single operation remote control tool is used, and an operator directly works in the tank. The remote control tool is loaded on a movable trolley and moves in the tank. The moving cart is moved by driving wheels by driving means such as a motor.
【０００３】[0003]
【考案が解決しようとする課題】従来、移動台車の移動
は車輪の駆動によって行なっているが、タンク内の走行
面が滑り易い場合は、車輪がスリップして目的通りの走
行が困難であると共に、車輪がスリップする事により走
行面の塗膜を剥離してしまうことがあった。スリップを
防止するために、走行台車の重量を増大させることも考
えられるが、走行面の状態によっては過大な車輪の駆動
力が必要になり、走行台車が重厚となって運搬等の取扱
いが困難になってしまう。Conventionally, the moving cart is moved by driving wheels. However, if the running surface in the tank is slippery, the wheels slip and it is difficult to drive as intended. In some cases, the slippage of the wheels causes the coating film on the running surface to be peeled off. To prevent slipping, it is conceivable to increase the weight of the traveling vehicle, but depending on the condition of the traveling surface, excessive driving force of the wheels is required, and the traveling vehicle becomes heavy and handling such as transportation is difficult Become.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
の本考案の構成は、磁性体面上を移動する移動台車の本
体に設けられ該磁性体面に対し接近離遠動自在なマグネ
ット部と、該マグネット部を前記磁性体面に対し離遠さ
せる方向に付勢する付勢部材と、前記マグネット部の移
動位置を検出する位置検出手段と、該位置検出手段の信
号に基づいて前記磁性体面と前記マグネット部の間隔を
所定の間隔に保つように該マグネット部の移動を行なう
マグネット部駆動手段とを備えたことを特徴とする。According to the present invention, there is provided a magnet unit provided on a body of a movable trolley moving on a surface of a magnetic body, the magnet unit being capable of moving toward and away from the surface of the magnetic body. An urging member for urging the magnet portion in a direction to move away from the magnetic body surface, position detecting means for detecting a moving position of the magnet portion, and the magnetic body surface A magnet unit driving means for moving the magnet unit so as to keep the interval between the magnet units at a predetermined interval is provided.
【０００５】また、上記課題を解決するための本考案の
構成は、磁性体面上を移動する移動台車の本体に設けら
れ該磁性体面に対し接近離遠動自在なマグネット部と、
前記磁性体面に対する前記マグネット部の吸引力を検知
する吸引力検知手段と、該吸引力検知手段の信号に基づ
いて前記磁性体面に対する前記マグネット部の吸引力を
所定の状態に保つように該マグネット部の移動を行なう
マグネット部駆動手段とを備えたことを特徴とする。In order to solve the above-mentioned problem, a configuration of the present invention comprises a magnet portion provided on a main body of a movable trolley moving on a magnetic body surface and capable of moving toward and away from the magnetic body surface;
An attraction force detecting means for detecting an attraction force of the magnet portion with respect to the magnetic material surface; and a magnet portion for maintaining the attraction force of the magnet portion with respect to the magnetic material surface at a predetermined state based on a signal from the attraction force detection device. And a magnet unit driving means for performing the movement.
【０００６】[0006]
【作用】磁性体面上の走行面に凹凸等があると、磁性対
面とマグネット部の距離が変化し、マグネット部の吸引
力が変化する。予め設定しておいた磁性体面とマグネッ
ト部との距離あるいはマグネット部の吸引力に対して、
距離あるいは吸引力を位置検出手段あるいは吸引力検知
手段で検知し、その信号に基づいてマグネット部駆動手
段を制御し、マグネット部を磁性体面に対し接近離遠さ
せ、常に一定の押付力を得る。When the running surface on the magnetic material surface has irregularities, the distance between the magnetic facing surface and the magnet portion changes, and the attraction force of the magnet portion changes. For the preset distance between the magnetic body surface and the magnet part or the attractive force of the magnet part,
The distance or the attraction force is detected by the position detection means or the attraction force detection means, and the magnet drive means is controlled based on the signal to move the magnet toward and away from the surface of the magnetic body to always obtain a constant pressing force.
【０００７】[0007]
【実施例】図１には本考案の一実施例に係る押付装置を
備えた移動台車の概略構成、図２には押付装置の断面、
図３には図２中のＩＩＩ−ＩＩＩ線矢視を示してある。FIG. 1 is a schematic diagram of a mobile trolley provided with a pressing device according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the pressing device.
FIG. 3 is a view taken along line III-III in FIG.
【０００８】図１に示すように、押付装置１は移動台車
２の側面に取付けられ、押付装置１に隣接して移動台車
２には車輪装置３が設けられている。車輪装置３はそれ
ぞれ駆動部を備え、方向変換、ブレーキ動作を行なう。
また移動台車２には工具操作アーム機構４が備えられて
いる。As shown in FIG. 1, a pressing device 1 is mounted on a side surface of a movable trolley 2, and a wheel device 3 is provided on the movable trolley 2 adjacent to the pressing device 1. Each of the wheel devices 3 includes a drive unit, and performs a direction change and a braking operation.
The movable trolley 2 is provided with a tool operating arm mechanism 4.
【０００９】図２，図３に基づいて押付装置１の構成を
説明する。押付装置１の本体３１には昇降軸８が昇降自
在に支持され、昇降軸８の下端にはフランジ１８が取付
けられ、フランジ１８には位置検出手段としての距離セ
ンサ１７が取付けられている。フランジ１８には付勢手
段としての板バネ２１及びバネ軸２０を介してマグネッ
ト部９が上方（後述する磁性体面としての床面２４から
離遠する方向）に付勢された状態に支持されている。距
離センサ１７はマグネット部９の位置を検出するように
なっている。マグネット部９には磁石１９が内蔵されて
いる。The configuration of the pressing device 1 will be described with reference to FIGS. An elevating shaft 8 is supported on the main body 31 of the pressing device 1 so as to be able to move up and down. A flange 18 is attached to a lower end of the elevating shaft 8, and a distance sensor 17 is attached to the flange 18 as position detecting means. The magnet 18 is supported by the flange 18 via a leaf spring 21 as a biasing means and a spring shaft 20 so as to be biased upward (in a direction away from a floor surface 24 as a magnetic body surface described later). I have. The distance sensor 17 detects the position of the magnet unit 9. A magnet 19 is built in the magnet section 9.
【００１０】本体３１には昇降軸８に沿って平行に延び
るスライド軸１２が取付けられ、スライド軸１２にはス
ライド軸受１６が摺動自在に支持されている。スライド
軸受１６は昇降軸８の上端に取付けられ、昇降軸８の昇
降動を案内している。A slide shaft 12 extending parallel to the elevating shaft 8 is attached to the main body 31, and a slide bearing 16 is slidably supported on the slide shaft 12. The slide bearing 16 is attached to the upper end of the elevating shaft 8 and guides the elevating shaft 8 to move up and down.
【００１１】本体３１には昇降軸８に沿って平行に延び
るボールネジ軸１０が回転自在に支持され、ボールネジ
軸１０にはボールネジ装置１１が螺合している。ボール
ネジ装置１１は昇降軸８の上端に固定されている。つま
り、ボールネジ軸１０の回転によってボールネジ装置１
１を介して昇降軸８が昇降動する。A ball screw shaft 10 extending in parallel with the elevating shaft 8 is rotatably supported on the main body 31, and a ball screw device 11 is screwed to the ball screw shaft 10. The ball screw device 11 is fixed to the upper end of the elevating shaft 8. That is, the rotation of the ball screw shaft 10 causes the ball screw device 1 to rotate.
The lifting shaft 8 moves up and down via 1.
【００１２】また、本体３１には駆動モータ６が設けら
れ、駆動モータ６とボールネジ軸１０はプーリ１３，１
４及びタイミングベルト１５を介して連結され、駆動モ
ータ６の駆動によってボールネジ軸１０は正逆回転され
る。駆動モータ６は距離センサ１７の信号に基づいて駆
動される。つまり、駆動モータ６及びボールネジ軸１
０、ボールネジ装置１１からなるスライド機構７により
マグネット部駆動手段が構成されている。尚、図２中の
符号で２２，２３はボールネジ装置１１の上限及び下限
を検知するリミットスイッチである。The main body 31 is provided with a drive motor 6, and the drive motor 6 and the ball screw shaft 10 are connected to pulleys 13, 1
4 and the timing belt 15, and the ball screw shaft 10 is rotated forward and reverse by the drive of the drive motor 6. The drive motor 6 is driven based on a signal from the distance sensor 17. That is, the drive motor 6 and the ball screw shaft 1
The magnet unit driving means is constituted by the slide mechanism 7 including the ball screw device 11. Reference numerals 22 and 23 in FIG. 2 denote limit switches for detecting the upper limit and the lower limit of the ball screw device 11.
【００１３】上記構成の押付装置１の作用を図４に基づ
いて説明する。図４（Ａ），（Ｂ），（Ｃ）には押付装
置の動作説明を示してある。The operation of the pressing device 1 having the above configuration will be described with reference to FIG. FIGS. 4A, 4B and 4C show the operation of the pressing device.
【００１４】図４（Ｂ）の状態は、距離センサ１７の信
号が設定値と一致し、昇降軸８は停止した状態になって
いる。この時の距離センサ１７とマグネット部９との隙
間をａ0 、マグネット部９と磁性体面としての床面２４
との隙間をｂ0 とする。In the state shown in FIG. 4B, the signal from the distance sensor 17 matches the set value, and the elevating shaft 8 is stopped. At this time, a gap between the distance sensor 17 and the magnet unit 9 is represented by a 0 , and the magnet unit 9 and the floor surface 24 as a magnetic material surface are represented by a 0 .
The gap between and b 0.
【００１５】図４（Ａ）の状態は、床面２４がマグネッ
ト部９と離れ、隙間がｂ0 （ｂ1 ＞ｂ0 ）となった場合
で、距離センサ１７とマグネット部９との隙間がａ
1 （ａ1＜ａ0 ）となる。この場合、距離センサ１７の
信号と設定値との差により、駆動モータ６に駆動指令が
出され、スライド機構７を介して昇降軸８を下降させ、
図４（Ｂ）の状態になるまで駆動モータ６の駆動を続け
る。FIG. 4A shows a state in which the floor 24 is separated from the magnet section 9 and the gap becomes b 0 (b 1 > b 0 ), and the gap between the distance sensor 17 and the magnet section 9 becomes larger. a
1 (a 1 <a 0 ). In this case, a drive command is issued to the drive motor 6 based on the difference between the signal of the distance sensor 17 and the set value, and the elevating shaft 8 is lowered via the slide mechanism 7.
The driving of the drive motor 6 is continued until the state shown in FIG.
【００１６】図４（Ｃ）の状態は、床面２４にマグネッ
ト部９が接近し、隙間がｂ2 （ｂ2＜ｂ0 ）となった場
合で、距離センサ１７とマグネット部９との隙間がａ2
（ａ2 ＞ａ0 ）となる。この場合、距離センサ１７の信
号と設定値との差により、駆動モータ６に前述と逆向き
の駆動指令が出され、スライド機構７を介して昇降軸８
を上昇させ、図４（Ｂ）の状態になるまで駆動モータ６
の駆動を続ける。FIG. 4C shows a state in which the magnet portion 9 approaches the floor surface 24 and the gap becomes b 2 (b 2 <b 0 ). The gap between the distance sensor 17 and the magnet portion 9 is shown in FIG. Is a 2
(A 2 > a 0 ). In this case, a drive command in the opposite direction to that described above is issued to the drive motor 6 by the difference between the signal of the distance sensor 17 and the set value, and the lift shaft 8 is moved via the slide mechanism 7.
And drive motor 6 until the state of FIG.
Continue driving.
【００１７】従って、上述した押付装置１では、距離セ
ンサ１７の検出信号によって駆動モータ６を駆動し、距
離センサ１７とマグネット部９の隙間を一定に保つ、即
ち押付装置１が備えられる移動台車２の本体３１と床面
２４との間隔を、床面２４の形状に係らず常に一定に保
つことができる。Therefore, in the pressing device 1 described above, the drive motor 6 is driven by the detection signal of the distance sensor 17 to keep the gap between the distance sensor 17 and the magnet portion 9 constant, that is, the movable carriage 2 provided with the pressing device 1. The distance between the main body 31 and the floor surface 24 can be kept constant regardless of the shape of the floor surface 24.
【００１８】尚、吸引力の設定は、板バネ２１や磁石１
９の強さを変えたり、磁石１９を電磁石として供給電力
を変えることにより、任意に選定することができる。ま
た、距離センサ１７の設定値を変更することによっても
吸引力を任意に設定できる。The attraction force is set by the leaf spring 21 or the magnet 1.
9 can be arbitrarily selected by changing the strength of the magnet 9 or changing the supply power using the magnet 19 as an electromagnet. Further, the suction force can be arbitrarily set by changing the set value of the distance sensor 17.
【００１９】図２に示すように、昇降軸８の下端とフラ
ンジ１８の間に吸引力検出手段として力覚センサ２５を
取付け、力覚センサ２５で磁石１９の吸引力の変化を検
知し、この検知信号に基づいて駆動モータ６を駆動して
所定の押付力を得るようにしても良い。As shown in FIG. 2, a force sensor 25 is attached between the lower end of the elevating shaft 8 and the flange 18 as an attraction force detecting means, and the force sensor 25 detects a change in the attraction force of the magnet 19. The driving motor 6 may be driven based on the detection signal to obtain a predetermined pressing force.
【００２０】[0020]
【考案の効果】本考案の移動台車の押付装置は、マグネ
ット部を磁性体面に対し接近離遠自在に設け、位置検出
手段もしくは吸引力検知手段の信号に基づいてマグネッ
ト部を移動させるマグネット部駆動手段を設けたので、
磁性体面との間隔を所定間隔に保つようにマグネット部
駆動手段によりマグネット部を移動させることで、磁性
体面の形状に係らず磁性体面に対する移動台車の位置を
常に所定間隔に保つことができ、移動台車を予め設定し
た一定の力で磁性体面に押付けることができる。この結
果、移動台車の車輪のスリップを防ぎ所定のコースを移
動させることが可能になり、作業能率が向上すると共に
移動台車の小型軽量化が図れる。According to the present invention, the pressing device for a movable trolley is provided with a magnet portion which can be freely moved toward and away from the surface of the magnetic body, and moves the magnet portion based on a signal from the position detecting means or the attraction force detecting means. Because the means was provided,
By moving the magnet part by the magnet part driving means so as to keep the space with the magnetic body surface at a predetermined distance, the position of the movable carriage with respect to the magnetic body surface can always be maintained at a predetermined distance irrespective of the shape of the magnetic body surface. The bogie can be pressed against the surface of the magnetic body with a predetermined constant force. As a result, it is possible to prevent the wheels of the mobile trolley from slipping and to move on a predetermined course, thereby improving work efficiency and reducing the size and weight of the mobile trolley.
【図１】本考案の一実施例に係る押付装置を備えた移動
台車の概略構成図。FIG. 1 is a schematic configuration diagram of a movable trolley provided with a pressing device according to an embodiment of the present invention.
【図２】押付装置の断面図。FIG. 2 is a sectional view of a pressing device.
【図３】図２中のＩＩＩ−ＩＩＩ線矢視図。FIG. 3 is a view taken along line III-III in FIG. 2;
【図４】押付装置の動作説明図。FIG. 4 is a diagram illustrating the operation of the pressing device.
１ 押付装置 ６ 駆動モータ ８ 昇降軸 ９ マグネット部 １０ ボールネジ軸 １１ ボールネジ装置 １２ スライド軸 １３，１４ プーリ １５ タイミングベルト １６ スライド軸受 １７ 距離センサ １９ 磁石 ２１ 板バネ ２４ 床面 ３１ 本体 DESCRIPTION OF SYMBOLS 1 Pressing device 6 Drive motor 8 Elevating shaft 9 Magnet part 10 Ball screw shaft 11 Ball screw device 12 Slide shaft 13,14 Pulley 15 Timing belt 16 Slide bearing 17 Distance sensor 19 Magnet 21 Leaf spring 24 Floor 31 Main body
───────────────────────────────────────────────────── フロントページの続き (72)考案者 大道 武生 兵庫県高砂市荒井町新浜二丁目１番１号 三菱重工業株式会社 高砂研究所内 (72)考案者 栗田 努 兵庫県高砂市荒井町新浜二丁目１番１号 三菱重工業株式会社 高砂研究所内 (72)考案者 井辺 智吉 兵庫県高砂市荒井町新浜二丁目１番１号 三菱重工業株式会社 高砂研究所内 (72)考案者 坂 洋一郎 東京都千代田区丸の内二丁目５番１号 三菱重工業株式会社内 (72)考案者 浜中 健吾 東京都千代田区丸の内二丁目５番１号 三菱重工業株式会社内 (56)参考文献 特開 昭60−78877（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuing on the front page (72) Innovator Takeo Omichi 2-1-1, Shinhama, Araimachi, Takasago-shi, Hyogo Mitsubishi Heavy Industries, Ltd. Inside Takasago Research Laboratory (72) Inventor Tsutomu Kurita 2-1-1, Araimachi, Araimachi, Takasago-shi, Hyogo Prefecture 1 Takasago Research Laboratory, Mitsubishi Heavy Industries, Ltd. (72) Inventor Tomoyoshi Ibe 2-1-1, Shinhama, Araimachi, Takasago-shi, Hyogo Prefecture, Japan Inside Takasago Research Laboratory, Mitsubishi Heavy Industries, Ltd. (72) Yoichiro Saka Marunouchi 2-chome, Chiyoda-ku, Tokyo 5-1 Mitsubishi Heavy Industries, Ltd. (72) Inventor Kengo Hamanaka 2-5-1 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Heavy Industries, Ltd. (56) References JP-A-60-78877 (JP, A)
Claims (2)
設けられ該磁性体面に対し接近離遠動自在なマグネット
部と、該マグネット部を前記磁性体面に対し離遠させる
方向に付勢する付勢部材と、前記マグネット部の移動位
置を検出する位置検出手段と、該位置検出手段の信号に
基づいて前記磁性体面と前記マグネット部の間隔を所定
の間隔に保つように該マグネット部の移動を行なうマグ
ネット部駆動手段とを備えたことを特徴とする移動台車
の押付装置。A magnet portion provided on a main body of a movable trolley moving on a surface of the magnetic body, the magnet portion being movable toward and away from the surface of the magnetic material; and a biasing portion for urging the magnet portion away from the surface of the magnetic material. An urging member, position detecting means for detecting a moving position of the magnet part, and movement of the magnet part so as to maintain a predetermined distance between the magnetic body surface and the magnet part based on a signal from the position detecting means. And a magnet unit driving means for performing the following.
設けられ該磁性体面に対し接近離遠動自在なマグネット
部と、前記磁性体面に対する前記マグネット部の吸引力
を検知する吸引力検知手段と、該吸引力検知手段の信号
に基づいて前記磁性体面に対する前記マグネット部の吸
引力を所定の状態に保つように該マグネット部の移動を
行なうマグネット部駆動手段とを備えたことを特徴とす
る移動台車の押付装置。2. A magnet portion provided on a main body of a movable trolley moving on a surface of a magnetic body, the magnet portion being movable toward and away from the surface of the magnetic material, and an attraction force detecting means for detecting an attractive force of the magnet portion on the surface of the magnetic material. And magnet unit driving means for moving the magnet unit based on a signal from the attraction force detection unit so as to maintain the attraction force of the magnet unit with respect to the magnetic body surface in a predetermined state. Pressing device for mobile trolley.
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6801491U JP2543619Y2 (en) | 1991-08-27 | 1991-08-27 | Mobile trolley pressing device |
| EP92250223A EP0537869B1 (en) | 1991-08-27 | 1992-08-25 | Floor surface blasting apparatus |
| EP96250238A EP0771612B1 (en) | 1991-08-27 | 1992-08-25 | Floor surface blasting apparatus |
| EP96250239A EP0769351A1 (en) | 1991-08-27 | 1992-08-25 | Floor surface blasting apparatus |
| DE69232469T DE69232469T2 (en) | 1991-08-27 | 1992-08-25 | Floor surface blasting unit |
| DE69219429T DE69219429T2 (en) | 1991-08-27 | 1992-08-25 | Floor blasting device |
| US07/935,179 US5339573A (en) | 1991-08-27 | 1992-08-26 | Floor surface blasting apparatus |
| US08/182,235 US5435773A (en) | 1991-08-27 | 1994-01-18 | Floor surface blasting apparatus |
| US08/414,936 US5667429A (en) | 1991-08-27 | 1995-03-31 | Floor surface blasting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6801491U JP2543619Y2 (en) | 1991-08-27 | 1991-08-27 | Mobile trolley pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0519079U JPH0519079U (en) | 1993-03-09 |
| JP2543619Y2 true JP2543619Y2 (en) | 1997-08-13 |
Family
ID=13361556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6801491U Expired - Lifetime JP2543619Y2 (en) | 1991-08-27 | 1991-08-27 | Mobile trolley pressing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543619Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200135288A (en) | 2018-03-23 | 2020-12-02 | 후루카와 덴키 고교 가부시키가이샤 | Lead frame material and manufacturing method thereof, and semiconductor package using the same |
| KR20240033205A (en) | 2021-07-16 | 2024-03-12 | 후루카와 덴키 고교 가부시키가이샤 | Lead frame material and its manufacturing method and semiconductor package |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2589657B2 (en) * | 1994-04-11 | 1997-03-12 | 小池酸素工業株式会社 | Traveling trolley |
| JP3372434B2 (en) * | 1996-11-19 | 2003-02-04 | 三菱重工業株式会社 | Wall adsorption type moving device |
| CN115027589A (en) * | 2022-06-22 | 2022-09-09 | 江苏镌极特种设备有限公司 | Wall-climbing mobile robot capable of actively adjusting magnetic adsorption force |
-
1991
- 1991-08-27 JP JP6801491U patent/JP2543619Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200135288A (en) | 2018-03-23 | 2020-12-02 | 후루카와 덴키 고교 가부시키가이샤 | Lead frame material and manufacturing method thereof, and semiconductor package using the same |
| KR20240033205A (en) | 2021-07-16 | 2024-03-12 | 후루카와 덴키 고교 가부시키가이샤 | Lead frame material and its manufacturing method and semiconductor package |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519079U (en) | 1993-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970304 |