JPS6386529A - Flash removing device for resin-sealed semiconductor - Google Patents

Flash removing device for resin-sealed semiconductor

Info

Publication number
JPS6386529A
JPS6386529A JP23231786A JP23231786A JPS6386529A JP S6386529 A JPS6386529 A JP S6386529A JP 23231786 A JP23231786 A JP 23231786A JP 23231786 A JP23231786 A JP 23231786A JP S6386529 A JPS6386529 A JP S6386529A
Authority
JP
Japan
Prior art keywords
resin
nozzle
lead frame
lead
fixed
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
Application number
JP23231786A
Other languages
Japanese (ja)
Inventor
Yuichi Yuki
幸 友一
Masao Matsumoto
松本 征夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP23231786A priority Critical patent/JPS6386529A/en
Publication of JPS6386529A publication Critical patent/JPS6386529A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To concentrically inject jetting-out water along the boundary line between resin and an outer lead by a method wherein an injection nozzle is shifted in conformity with the width of the resin sealed in a lead frame, the nozzle is fixed to the shifted position, and ultra high pressure water is jetted out from the tip of the nozzle. CONSTITUTION:An injection nozzle 5 is constituted in such a manner that it can be moved in the width direction of the resin 2 sealed in a lead frame 1, namely, in the right-angled direction of the progressing direction of the lead frame, and the nozzle 5 is constituted in such a manner that it can be fixed in the shifted state. The nozzle 5 is fixed after its position has been changed corresponding to the width W of the resin 2, and the lead frame 1 is conveyed along the width direction of the lead frame while ultra high pressure water is being injected from the tip of the nozzle in the state wherein the nozzle is fixed. As a result, a resin flash 4 is removed by injecting said jetted-out water directly to the starting end of the outer lead 3.

Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は、リードフレームの樹脂封止時にアウターリー
ドの起端に発生する樹脂バリを除去するバリ取り装置、
特に噴射ノズルを使用しこの先端から超高圧水を噴射す
ることにより樹脂バリを除去するもので、いわゆるディ
アル・インライン・パッケージ(以下、DIPという)
に使用して最適なバリ取り装置の改良に関する。
Detailed Description of the Invention [Object of the Invention] (Industrial Application Field) The present invention provides a deburring device for removing resin burrs generated at the starting ends of outer leads when resin-sealing a lead frame;
In particular, resin burrs are removed by using an injection nozzle to inject ultra-high pressure water from the tip of the injection nozzle, which is called a dual in-line package (hereinafter referred to as DIP).
This invention relates to the improvement of a deburring device that is most suitable for use in this field.

(従来の技術) 上記バリ取り装置は、第3図に示すように、リードフレ
ーム1をモールド樹脂2により樹脂封止する時に、アウ
ターリード3の起端に必然的に発生する樹脂バリ4を除
去するものであるが、従来このバリ取り装置としては、
例えば第4図乃至第6図に示すもの一般に知られている
(Prior Art) As shown in FIG. 3, the deburring device described above removes resin burrs 4 that are inevitably generated at the starting ends of outer leads 3 when lead frames 1 are resin-sealed with mold resin 2. However, conventional deburring equipment
For example, the devices shown in FIGS. 4 to 6 are generally known.

即ち、樹脂2を封止したリードフレーム1をその長さ方
向に搬送させつつ、そのアウターリート3の起端、即ち
リードフレーム1と樹脂2との境界線に沿うようその一
端を移動不能に支承して上下に配設した噴射ノズル5に
リードフレーム1の表面に円状の軌跡6を描くような円
運動を与えつつ、この先端から100〜1000kg/
cn?程度の超高圧水を噴射させ、この水圧によって、
樹脂バリ4を除去するものであった。
That is, while the lead frame 1 sealed with the resin 2 is conveyed in its length direction, one end of the outer lead 3 is immovably supported along the starting end of the outer lead 3, that is, the boundary line between the lead frame 1 and the resin 2. 100 to 1000 kg /
cn? This water pressure is used to inject ultra-high pressure water,
The purpose was to remove resin burrs 4.

このように、1A射ノズル5に円運動を与えるのは、樹
脂2の幅の相違に対応させるとともに、リードフレーム
1の送り方向と直角方向の樹脂バリ4も同時に除去する
ためである。
The reason why the 1A injection nozzle 5 is given a circular motion in this way is to accommodate the difference in the width of the resin 2 and to simultaneously remove the resin burr 4 in the direction perpendicular to the feeding direction of the lead frame 1.

(発明か解決しようとする問題点) しかしながら、この場合、フラットパッケージのように
樹脂層が薄いものは、樹脂面に超高圧水が直接当たるた
め、この水圧とリードフレームの送りスピードにより樹
脂とアウターリードとの間にクラックが発生してしまう
ことがあるばかりでなく、樹脂表面に超高圧水が当たる
ため、外観を著しく損傷させてしまう。しかも、樹脂間
のピッチ分を送るため作業効率か悪く、更に噴射ノズル
として回転式のものを使用するため、ノズルボデー′−
一 ィやその他の噴射面の各部の摩耗が著しいという問題点
があった。
(Problem to be solved by the invention) However, in this case, when the resin layer is thin like a flat package, ultra-high pressure water hits the resin surface directly, so this water pressure and the feed speed of the lead frame cause the resin and outer Not only can cracks occur between the resin and the lead, but the ultra-high pressure water hits the resin surface, causing significant damage to its appearance. Moreover, the work efficiency is poor because the pitch between the resins is sent, and furthermore, since a rotary type is used as the injection nozzle, the nozzle body'-
There was a problem in that the parts of the jetting surface and other parts of the jetting surface were considerably worn.

本発明は」−2に鑑み、特にDIPのように三側辺のみ
のバリ取りに際し、噴射ノズルをアウターリードの起端
に沿って固定させることにより、バリ取り性を向上させ
、送りスピードを速くして生産性の向−1−を図ったも
のを提供することを目的としてなされたものである。
In view of ``-2,'' the present invention improves deburring performance and increases the feed speed by fixing the injection nozzle along the starting edge of the outer lead, especially when deburring only three sides like DIP. The purpose of this invention is to provide a system that improves productivity.

〔発明の構成〕[Structure of the invention]

(問題点を解決するための手段) 本発明は、1−記目的を達成するため、リードフレーム
の樹脂層11−時にアウターリードの起端に発生する樹
脂バリを、噴射ノズルの先端から超高圧水を噴射するこ
とにより除去する樹脂層11−型半導体のバリ取り装置
において、上記噴射ノズルをリードフレームに封止した
樹脂の幅方向に移動自在で移動した位置で固定可能に構
成するとともに、この噴射ノズルの先端にアウターリー
ドの起端が位置するようリードフレームを移送させるよ
う構成したものである。
(Means for Solving the Problems) In order to achieve the above object, the present invention aims to eliminate resin burrs generated at the starting ends of the outer leads during the resin layer 11- of the lead frame using ultra-high pressure from the tip of the injection nozzle. In a deburring device for a resin layer 11-type semiconductor that removes a resin layer by spraying water, the spray nozzle is configured to be movable in the width direction of the resin sealed in the lead frame and fixed at the moved position. The lead frame is configured to be moved so that the starting end of the outer lead is located at the tip of the injection nozzle.

(作 用) 而して、リードフレームに封止した樹脂の幅に合せて噴
射ノズルを移動させ、この移動した位置で固定し、この
状態でこの先端から超高圧水を噴射することにより、噴
射水をアウターリードの起端、即ち樹脂とアウターリー
ドとの境界線に沿って集中的に当てるものである。
(Function) Then, the injection nozzle is moved to match the width of the resin sealed in the lead frame, fixed at this moved position, and in this state ultra-high pressure water is injected from the tip. Water is applied intensively to the starting end of the outer lead, that is, along the boundary line between the resin and the outer lead.

(実施例) 第1図及び第2図は本発明の一実施例を示し、DIPに
おけるバリ取りを示すものである。
(Example) FIGS. 1 and 2 show an example of the present invention, and show deburring in DIP.

即ち、リードフレーム1はその長さ方向に複数個のDI
Pが樹脂2により樹脂封止されて配置されているととも
に、その幅方向に沿って移送されるよう構成されている
That is, the lead frame 1 has a plurality of DIs in its length direction.
P is resin-sealed with resin 2 and arranged, and is configured to be transferred along its width direction.

このリートフレームコ−の各アウターリード3の起端、
即ちリードフレーム1と樹脂2との各境界線の1一方及
び下方にはこれに対向して夫々一対の噴射ノズル5.5
が夫々配設されている。
The starting end of each outer lead 3 of this lead frame core,
That is, on one side and below each boundary line between the lead frame 1 and the resin 2, there are a pair of injection nozzles 5.5, respectively, facing each other.
are arranged respectively.

この噴射ノズル5はリードフレーム1に封止した樹脂2
の幅方向、即ちリードフレーム1の進行一  4 − ノJ゛向に直角h゛向に移動可能に構成され、移動した
状態で固定できるよう構成されている。
This injection nozzle 5 has a resin 2 sealed in the lead frame 1.
It is configured to be movable in the width direction of the lead frame 1, that is, in the direction H at right angles to the direction of the lead frame 1, and is configured to be fixed in the moved state.

このように、移動自在とすることにより、樹脂2の幅W
の変化に対応して、この噴射ノズル5の位置を変化させ
て、これが常にアウターリード3の起端に位置するよう
に調節するのであり、また移動した状態で固定すること
により、リードフレーム1への噴射領域7を直線状とな
すとともに、このこの領域7の集中化を図るのである。
In this way, by making it movable, the width W of the resin 2
The injection nozzle 5 is adjusted so that it is always located at the starting end of the outer lead 3 by changing the position of the injection nozzle 5 in response to changes in The injection area 7 is made linear, and this area 7 is concentrated.

而して、噴射ノズル5の位置を樹脂2の幅Wに合せて変
更させた後にこれを固定し、この固定した状態でこの先
端から超高圧水を噴射させつつ、リードフレーム1をそ
の幅方向に沿って搬送することにより、この噴射水をア
ウターリード3の起端に直接当てて、第3図に示す、リ
ード、フレーム]に樹脂2を封11−する時に必然的に
発生する樹脂バリ4の除去を行うのである。
After changing the position of the injection nozzle 5 to match the width W of the resin 2, it is fixed, and in this fixed state, the lead frame 1 is moved in its width direction while ultra-high pressure water is injected from the tip. By conveying the water along the outer lead 3, the jet water is applied directly to the starting end of the outer lead 3, thereby eliminating resin burrs 4 that inevitably occur when sealing the resin 2 to the lead and frame, as shown in FIG. The purpose of this is to remove the

〔発明の効果〕〔Effect of the invention〕

本発明は上記のような構成であるので、噴射ノズルは封
止した樹脂の幅に合せて移動させ、移動さ廿た位置で固
定することができ、従って超高圧水か噴射領域に集中す
るため、同じ圧力であれば、バリ取り性が向−1,=し
、スピードをアップさせて生産性を白しさせることがで
きる。しかも、超高圧水が直接樹脂の表面に当たる度合
いが少なくなるため、フラットパッケージのような樹脂
層が薄いものに対しても、樹脂とアウターリードとの間
にクラックか発生する危険が低減するばかりでなく、外
観の損傷を極力防11−することかできる。
Since the present invention has the above-described configuration, the injection nozzle can be moved according to the width of the sealed resin and fixed at a different position, so that the ultra-high pressure water is concentrated in the injection area. If the pressure is the same, the deburring performance will improve by -1, = the speed can be increased and the productivity can be improved. Moreover, since the degree to which ultra-high pressure water directly hits the resin surface is reduced, the risk of cracks occurring between the resin and the outer leads is reduced, even for flat packages with thin resin layers. Therefore, damage to the appearance can be prevented as much as possible.

しかも、噴射ノズルの遊びを少なくして、作業効率を良
くすることかできるばかりでなく、ノズルボディやその
他の噴射面の各部の摩耗の低減を図ることができる。
Furthermore, play in the injection nozzle can be reduced, which not only improves work efficiency, but also reduces wear on the nozzle body and other parts of the injection surface.

また、スピードを従来通りとすれば、超高圧水の圧力を
低ドさせてもバリ取りが可能となり、ポンプ負荷を軽減
させ、コストダウンを図ることができるばかりでなく、
圧力を低ドさせることにより、上記クラックの発生の更
に低減させることができるといった効果がある。
In addition, if the speed is kept the same as before, deburring can be done even if the pressure of ultra-high pressure water is lowered, which not only reduces the pump load and reduces costs.
By lowering the pressure, it is possible to further reduce the occurrence of the above-mentioned cracks.

=   7  −=      -

【図面の簡単な説明】[Brief explanation of the drawing]

第1図及び第2図は本発明の一実施例を示し、第1図は
1E而図、第2図は十面図、第3図は樹脂バリの付ネ5
した状態を示す、要部拡大型面図、第4図乃全第6図は
従来例を示し、第4図は1E面図、第5図は樹脂層11
.後のリードフレームを示す平面図、第6図は噴射の軌
跡を示す平面図である。 1・・・リードフレーム、2・・・樹脂、3・・・アウ
ターリート、4・・・樹脂バリ、5・・・噴射ノズル、
7・・・噴射領域。 出願人代理人  佐  藤  −雄 第1目 第2目 第3目 −   ら   − 第4図 第5図
1 and 2 show one embodiment of the present invention, FIG. 1 is a 1E diagram, FIG. 2 is a ten-sided view, and FIG. 3 is a resin burr attachment 5.
4 to 6 show the conventional example, FIG. 4 is a 1E view, and FIG.
.. FIG. 6 is a plan view showing the subsequent lead frame, and FIG. 6 is a plan view showing the locus of injection. DESCRIPTION OF SYMBOLS 1... Lead frame, 2... Resin, 3... Outer lead, 4... Resin burr, 5... Injection nozzle,
7...Injection area. Applicant's agent Sato - Male 1st eye 2nd eye 3rd eye - Ra - Figure 4 Figure 5

Claims (1)

【特許請求の範囲】[Claims]  リードフレームの樹脂封止時にアウターリードの起端
に発生する樹脂バリを、噴射ノズルの先端から超高圧水
を噴射することにより除去する樹脂封止型半導体のバリ
取り装置において、上記噴射ノズルをリードフレームに
封止した樹脂の幅方向に移動自在で移動した位置で固定
可能に構成するとともに、この噴射ノズルの先端にアウ
ターリードの起端が位置するようにリードフレームを移
送させるよう構成したことを特徴とする樹脂封止型半導
体のバリ取り装置。
In a deburring device for resin-sealed semiconductors that removes resin burrs that occur at the ends of outer leads when resin-sealing the lead frame by jetting ultra-high-pressure water from the tip of the jet nozzle, the jet nozzle is used as the lead. The resin sealed in the frame is configured to be movable in the width direction and fixed at the moved position, and the lead frame is configured to be moved so that the starting end of the outer lead is located at the tip of this injection nozzle. Features: Deburring equipment for resin-sealed semiconductors.
JP23231786A 1986-09-30 1986-09-30 Flash removing device for resin-sealed semiconductor Pending JPS6386529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23231786A JPS6386529A (en) 1986-09-30 1986-09-30 Flash removing device for resin-sealed semiconductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23231786A JPS6386529A (en) 1986-09-30 1986-09-30 Flash removing device for resin-sealed semiconductor

Publications (1)

Publication Number Publication Date
JPS6386529A true JPS6386529A (en) 1988-04-16

Family

ID=16937306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23231786A Pending JPS6386529A (en) 1986-09-30 1986-09-30 Flash removing device for resin-sealed semiconductor

Country Status (1)

Country Link
JP (1) JPS6386529A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794559A2 (en) * 1996-03-05 1997-09-10 Nec Corporation Lead frame flash removing method and apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124681A (en) * 1978-03-20 1979-09-27 Nec Corp Production of resin seal type semiconductor device
JPS60152034A (en) * 1984-01-20 1985-08-10 Hitachi Ltd Method for flash removal
JPS60152033A (en) * 1984-01-20 1985-08-10 Hitachi Ltd Flash removing device
JPS61152028A (en) * 1984-12-26 1986-07-10 Hitachi Ltd Resin burr remover

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124681A (en) * 1978-03-20 1979-09-27 Nec Corp Production of resin seal type semiconductor device
JPS60152034A (en) * 1984-01-20 1985-08-10 Hitachi Ltd Method for flash removal
JPS60152033A (en) * 1984-01-20 1985-08-10 Hitachi Ltd Flash removing device
JPS61152028A (en) * 1984-12-26 1986-07-10 Hitachi Ltd Resin burr remover

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0794559A2 (en) * 1996-03-05 1997-09-10 Nec Corporation Lead frame flash removing method and apparatus
EP0794559A3 (en) * 1996-03-05 1998-03-18 Nec Corporation Lead frame flash removing method and apparatus

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