JPH04276634A - Paste coating method - Google Patents

Paste coating method

Info

Publication number
JPH04276634A
JPH04276634A JP6104191A JP6104191A JPH04276634A JP H04276634 A JPH04276634 A JP H04276634A JP 6104191 A JP6104191 A JP 6104191A JP 6104191 A JP6104191 A JP 6104191A JP H04276634 A JPH04276634 A JP H04276634A
Authority
JP
Japan
Prior art keywords
paste
substrate
discharge nozzle
container
pellets
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.)
Granted
Application number
JP6104191A
Other languages
Japanese (ja)
Other versions
JP2934040B2 (en
Inventor
Yutaka Okuyama
奥山 豊
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 Mechatronics Co Ltd
Original Assignee
Toshiba Seiki Co Ltd
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 Seiki Co Ltd filed Critical Toshiba Seiki Co Ltd
Priority to JP6104191A priority Critical patent/JP2934040B2/en
Publication of JPH04276634A publication Critical patent/JPH04276634A/en
Application granted granted Critical
Publication of JP2934040B2 publication Critical patent/JP2934040B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/74Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
    • H01L24/741Apparatus for manufacturing means for bonding, e.g. connectors
    • H01L24/743Apparatus for manufacturing layer connectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/74Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
    • H01L2224/741Apparatus for manufacturing means for bonding, e.g. connectors
    • H01L2224/743Apparatus for manufacturing layer connectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Die Bonding (AREA)

Abstract

PURPOSE:To comply with the bonding operation of pellets of various sizes without a need for many kinds of nozzle assembly bodies and by shortening the changeover operation time of types. CONSTITUTION:At a paste coating method, a paste which has been housed in a paste container 12 is discharged from a discharge nozzle 13 installed at said paste container 12 and a substrate 14 is coated with the paste. At the method, while the discharge nozzle 13 is being moved in the X-Y direction at a prescribed coating level at the upper part of the substrate 14, a paste coating operation by means of said discharge nozzle 13 is performed.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】本発明は、半導体ペレット、セラ
ミックスペレット等を基板に接合するに好適なペースト
塗布方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paste coating method suitable for bonding semiconductor pellets, ceramic pellets, etc. to a substrate.

【0002】0002

【従来の技術】従来、ペレットボンディング装置により
半導体ペレットを基板(リードフレーム)に接合するに
際し、図4に示す如くのペースト塗布装置1が用いられ
ている。
2. Description of the Related Art Conventionally, when bonding semiconductor pellets to a substrate (lead frame) using a pellet bonding device, a paste coating device 1 as shown in FIG. 4 has been used.

【0003】このペースト塗布装置1は、ペースト容器
2にペーストを収容し、該ペースト容器2に収容された
ペーストを該ペースト容器2に圧縮気体を送り込むこと
にて、該ペースト容器2の先端に設けた吐出ノズル3か
ら吐出させて、基板4上に略一定量のペーストを塗布す
るものである。
This paste application device 1 stores paste in a paste container 2 and applies compressed gas to the paste container 2 to apply the paste stored in the paste container 2 to the tip of the paste container 2. A substantially constant amount of paste is applied onto a substrate 4 by discharging it from a discharge nozzle 3.

【0004】尚、ペースト容器2は定位置にて上下動可
能とされており、ペースト容器2及び吐出ノズル3の下
方に基板4におけるペースト塗布領域設定後、ペースト
容器2を下動させることにて吐出ノズル3を基板4の上
方の所定塗布レベルに設定し、該吐出ノズル3によるペ
ースト塗布を行なうことを可能としている。
The paste container 2 can be moved up and down in a fixed position, and after setting the paste application area on the substrate 4 below the paste container 2 and the discharge nozzle 3, the paste container 2 can be moved downward. The discharge nozzle 3 is set at a predetermined coating level above the substrate 4, and the paste can be applied by the discharge nozzle 3.

【0005】然るに、従来技術では、大寸法のペレット
を接合する場合、基板上において広い面積を占めるペー
スト塗布領域にペーストを吐出するため、ペースト容器
2に複数の吐出ノズル3を設けることとしている。
However, in the prior art, when large-sized pellets are bonded, a plurality of discharge nozzles 3 are provided in the paste container 2 in order to discharge the paste onto a paste application area that occupies a wide area on the substrate.

【0006】[0006]

【発明が解決しようとする課題】然しながら、従来技術
では、品種切換時に、ペレット寸法に適合する数の吐出
ノズルを持つノズル組立体をペースト容器に着脱する必
要があり、多種類のノズル組立体を必要とする他、品種
切換作業に長時間を要する。
[Problems to be Solved by the Invention] However, in the prior art, when switching types, it is necessary to attach and detach a nozzle assembly having a number of discharge nozzles that matches the pellet size to a paste container, and it is difficult to use many types of nozzle assemblies. In addition, it takes a long time to change the product type.

【0007】本発明は、多種類のノズル組立体を必要と
せず、品種切換作業時間を短縮しながら、各種寸法のペ
レットの接合に対応できるペースト塗布方法を提供する
ことを目的とする。
SUMMARY OF THE INVENTION An object of the present invention is to provide a paste application method that does not require many different types of nozzle assemblies, reduces the time required to change product types, and can handle the joining of pellets of various sizes.

【0008】[0008]

【課題を解決するための手段】請求項1に記載の本発明
は、ペースト容器内に収容したペーストを、該ペースト
容器に設けた吐出ノズルから吐出させて基板上に塗布す
るペースト塗布方法において、吐出ノズルを基板上方の
所定塗布レベルにてXY方向に移動させながら、該吐出
ノズルによるペースト塗布を行なうようにしたものであ
る。
[Means for Solving the Problems] The present invention as set forth in claim 1 provides a paste coating method in which paste contained in a paste container is discharged from a discharge nozzle provided in the paste container to be applied onto a substrate. The paste is applied by the discharge nozzle while the discharge nozzle is moved in the X and Y directions at a predetermined coating level above the substrate.

【0009】請求項2に記載の本発明は、請求項1に記
載の本発明において更に、前記吐出ノズルのXY方向に
おける移動最終点を、基板におけるペースト塗布領域の
中央相当位置に設定するようにしたものである。
The present invention according to claim 2 is the present invention according to claim 1, further comprising: setting the final point of movement of the discharge nozzle in the XY direction at a position corresponding to the center of the paste application area on the substrate. This is what I did.

【0010】0010

【作用】請求項1に記載の本発明によれば、下記■の作
用がある。
[Function] According to the present invention as set forth in claim 1, there is the following effect (2).

【0011】■吐出ノズルによるペースト塗布が、基板
上方の所定塗布レベルにて該吐出ノズルをXY方向に移
動させながらなされる。従って、吐出ノズルのXY方向
における移動軌跡を変更することにより、ペレット寸法
の変動に対応する基板上のペースト塗布領域の変動に適
宜、確実に対応できる。
(2) Paste application by the discharge nozzle is performed while moving the discharge nozzle in the X and Y directions at a predetermined coating level above the substrate. Therefore, by changing the movement locus of the discharge nozzle in the X and Y directions, it is possible to appropriately and reliably respond to changes in the paste application area on the substrate that correspond to changes in pellet size.

【0012】請求項2に記載の本発明によれば、下記■
の作用がある。
According to the present invention as set forth in claim 2, the following
There is an effect.

【0013】■吐出ノズルから吐出されて基板上に塗布
されるペーストは、その塗布最終点となる吐出ノズルの
移動最終点で盛り上がりを生ずるが、この盛り上がりを
基板におけるペースト塗布領域の中央相当位置に設定で
きる。このため、基板上に接合されるペレットは、ペー
ストの盛り上がりを上記中央相当位置から四方八方にな
らす如くに展開し、基板に対して傾くことなく平坦状に
接合される。
■ The paste that is discharged from the discharge nozzle and applied onto the substrate forms a bulge at the final point of movement of the discharge nozzle, which is the final point of application. Can be set. Therefore, the pellet to be bonded onto the substrate is spread out so that the bulge of paste is leveled in all directions from the position corresponding to the center, and is bonded flatly to the substrate without being tilted.

【0014】[0014]

【実施例】図1は本発明によるペースト塗布方法の一例
を示す模式図、図2はペレットの平坦接合状態を示す模
式図、図3はペレットの傾き接合状態を示す模式図、図
5は吐出ノズルの移動軌跡を示す模式図である。
[Example] Fig. 1 is a schematic diagram showing an example of the paste application method according to the present invention, Fig. 2 is a schematic diagram showing a flat bonded state of pellets, Fig. 3 is a schematic diagram showing a tilted bonded state of pellets, and Fig. 5 is a schematic diagram showing a state of inclined bonding of pellets. FIG. 3 is a schematic diagram showing a movement locus of a nozzle.

【0015】ペースト塗布装置11は、図1(A)に示
す如く、ペースト容器12にペーストを収容し、該ペー
スト容器12に収容されたペーストを該ペースト容器1
2に圧縮気体を送り込むことにて、該ペースト容器12
の先端に設けた吐出ノズル13から吐出させて、基板1
4上に略一定量のペーストを塗布するものである。
As shown in FIG. 1(A), the paste application device 11 stores paste in a paste container 12, and transfers the paste contained in the paste container 12 to the paste container 1.
By sending compressed gas into the paste container 12
The substrate 1 is discharged from the discharge nozzle 13 provided at the tip of the substrate 1.
4, a substantially constant amount of paste is applied onto the surface.

【0016】尚、ペースト容器12はXYテーブル15
によりXY移動可能とされており、ペースト塗布時に、
ペースト容器12及び吐出ノズル13を基板14におけ
るペースト塗布領域上方に設定可能としている。また、
ペースト容器12は昇降カム16により昇降可能とされ
ており、吐出ノズル13を基板14の上方の所定塗布レ
ベルに設定し、該吐出ノズル13によるペースト塗布を
行なうことを可能としている。
Note that the paste container 12 is mounted on an XY table 15.
It is said that it is possible to move in XY, and when applying paste,
The paste container 12 and the discharge nozzle 13 can be set above the paste application area on the substrate 14. Also,
The paste container 12 can be raised and lowered by a lifting cam 16, and the discharge nozzle 13 can be set at a predetermined coating level above the substrate 14 to apply paste using the discharge nozzle 13.

【0017】然るに、本発明にあっては、昇降カム16
により吐出ノズル13を基板14上方の所定塗布レベル
に設定し、該吐出ノズル13により基板14上にペース
ト塗布を行なうに際し、XYテーブル15により該吐出
ノズル13を、図1(B)又は(C)に示す如く、基板
14におけるペースト塗布領域内に定めた所定の移動軌
跡に従って移動させながら、上記ペースト塗布を行なう
ものである。
However, in the present invention, the elevating cam 16
The discharge nozzle 13 is set at a predetermined coating level above the substrate 14 by the As shown in FIG. 2, the paste is applied while moving the substrate 14 according to a predetermined movement locus set within the paste application area.

【0018】尚、上記ペースト塗布時に、吐出ノズル1
3のXY方向における移動最終点は、図1(B)又は(
C)に示す如く、基板14におけるペースト塗布領域の
中央相当位置に設定することが好ましい。
[0018] When applying the paste, the discharge nozzle 1
The final point of movement in the XY direction of 3 is shown in Figure 1 (B) or (
As shown in C), it is preferable to set it at a position corresponding to the center of the paste application area on the substrate 14.

【0019】次に、上記実施例の作用効果について説明
する。
Next, the effects of the above embodiment will be explained.

【0020】■吐出ノズル13によるペースト塗布が、
基板14上方の所定塗布レベルにて該吐出ノズル13を
XY方向に移動させながらなされる。従って、吐出ノズ
ル13のXY方向における移動軌跡を変更することによ
り、ペレット寸法の変動に対応する基板14上のペース
ト塗布領域の変動に適宜、確実に対応できる。
■Paste application by the discharge nozzle 13
This is done while moving the discharge nozzle 13 in the XY directions at a predetermined coating level above the substrate 14. Therefore, by changing the movement locus of the discharge nozzle 13 in the XY directions, it is possible to appropriately and reliably respond to changes in the paste application area on the substrate 14 that correspond to changes in pellet size.

【0021】これにより、多種類のノズル組立体を必要
とせず、品種切換作業時間も短縮しながら、多種寸法の
ペレットの接合に対応できる。
[0021] This eliminates the need for many types of nozzle assemblies, reduces the time required to change types, and makes it possible to weld pellets of various sizes.

【0022】■吐出ノズル13から吐出されて基板14
上に塗布されるペーストは、その塗布最終点となる吐出
ノズル13の移動最終点で盛り上がりを生ずるが、この
盛り上がりを基板14におけるペースト塗布領域の中央
相当位置に設定できる(図2(A)参照)。このため、
基板14上に接合されるペレットは、ペーストの盛り上
がりを上記中央相当位置から四方八方にならす如くに展
開し、基板14に対して傾くことなく平坦状に接合され
る(図2(B)参照)。
■The substrate 14 is discharged from the discharge nozzle 13.
The paste applied thereon will bulge at the final point of movement of the discharge nozzle 13, which is the final point of application, but this bulge can be set at a position corresponding to the center of the paste application area on the substrate 14 (see FIG. 2(A)). ). For this reason,
The pellets to be bonded onto the substrate 14 are spread out so that the paste bulges out in all directions from the central position, and is bonded flat without tilting to the substrate 14 (see FIG. 2(B)). .

【0023】尚、吐出ノズル13のXY方向における移
動最終点が、基板14におけるペースト塗布領域の角部
相当位置に設定されると、ペーストの盛り上がりが上記
角部相当位置に生じ、結果としてペレットは基板14に
対して傾き接合される(図3参照)危険性を有する。
When the final point of movement of the discharge nozzle 13 in the XY directions is set at a position corresponding to the corner of the paste application area on the substrate 14, a bulge of paste is generated at the position corresponding to the corner, and as a result, the pellets are There is a risk of being joined at an angle to the substrate 14 (see FIG. 3).

【0024】■吐出ノズル13により塗布されるペース
トは、基板14上におけるペースト塗布領域に散点的に
塗布されるものでなく、該吐出ノズル13の移動により
、広く面状に展開せしめられる。このため、基板14上
の略全面に、気泡等の残存しない均一なペースト塗布状
態を生成でき、基板14に対するペレットの接合性を向
上できる。
(2) The paste applied by the discharge nozzle 13 is not applied to the paste application area on the substrate 14 in a scattered manner, but is spread over a wide area by the movement of the discharge nozzle 13. Therefore, it is possible to create a uniform paste application state on substantially the entire surface of the substrate 14 without leaving any bubbles, and it is possible to improve the adhesiveness of the pellet to the substrate 14.

【0025】尚、上記吐出ノズル13の移動軌跡は、図
5(A)に示す如くのうず巻き状、或いは図5(B)に
示す如くの折り返し状であっても良い。
The locus of movement of the discharge nozzle 13 may be a spiral shape as shown in FIG. 5(A) or a folded shape as shown in FIG. 5(B).

【0026】また、本発明の実施において、上記実施例
におけるペースト容器12の先端に設けられる吐出ノズ
ル13は、複数本であっても良い。
Furthermore, in carrying out the present invention, a plurality of discharge nozzles 13 may be provided at the tip of the paste container 12 in the above embodiment.

【0027】[0027]

【発明の効果】以上のように本発明によれば、多種類の
ノズル組立体を必要とせず、品種切換作業時間を短縮し
ながら、各種寸法のペレットの接合に対応できるペース
ト塗布方法を得ることができる。
[Effects of the Invention] As described above, according to the present invention, it is possible to obtain a paste application method that does not require many types of nozzle assemblies, reduces the time required to change types, and can cope with joining pellets of various sizes. Can be done.

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

【図1】図1は本発明によるペースト塗布方法の一例を
示す模式図である。
FIG. 1 is a schematic diagram showing an example of a paste coating method according to the present invention.

【図2】図2はペレットの平坦接合状態を示す模式図で
ある。
FIG. 2 is a schematic diagram showing a flat bonded state of pellets.

【図3】図3はペレットの傾き接合状態を示す模式図で
ある。
FIG. 3 is a schematic diagram showing a state in which pellets are joined at an angle.

【図4】図4は従来のペースト塗布方法を示す模式図で
ある。
FIG. 4 is a schematic diagram showing a conventional paste application method.

【図5】図5は吐出ノズルの移動軌跡を示す模式図であ
る。
FIG. 5 is a schematic diagram showing a movement locus of a discharge nozzle.

【符号の説明】[Explanation of symbols]

11  ペースト塗布装置 12  ペースト容器 13  吐出ノズル 14  基板 15  XYテーブル 16  昇降カム 11 Paste application device 12 Paste container 13 Discharge nozzle 14 Board 15 XY table 16 Lifting cam

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】  ペースト容器内に収容したペーストを
、該ペースト容器に設けた吐出ノズルから吐出させて基
板上に塗布するペースト塗布方法において、吐出ノズル
を基板上方の所定塗布レベルにてXY方向に移動させな
がら、該吐出ノズルによるペースト塗布を行なうことを
特徴とするペースト塗布方法。
Claim 1: A paste coating method in which paste contained in a paste container is discharged from a discharge nozzle provided in the paste container and applied onto a substrate, the discharge nozzle being moved in the XY direction at a predetermined coating level above the substrate. A paste application method characterized in that paste application is performed using the discharge nozzle while moving the paste.
【請求項2】  前記吐出ノズルのXY方向における移
動最終点を、基板におけるペースト塗布領域の中央相当
位置に設定する請求項1記載のペースト塗布方法。
2. The paste application method according to claim 1, wherein the final point of movement of the discharge nozzle in the X and Y directions is set at a position corresponding to the center of a paste application area on the substrate.
JP6104191A 1991-03-04 1991-03-04 Paste application method Expired - Fee Related JP2934040B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6104191A JP2934040B2 (en) 1991-03-04 1991-03-04 Paste application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6104191A JP2934040B2 (en) 1991-03-04 1991-03-04 Paste application method

Publications (2)

Publication Number Publication Date
JPH04276634A true JPH04276634A (en) 1992-10-01
JP2934040B2 JP2934040B2 (en) 1999-08-16

Family

ID=13159771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6104191A Expired - Fee Related JP2934040B2 (en) 1991-03-04 1991-03-04 Paste application method

Country Status (1)

Country Link
JP (1) JP2934040B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004146841A (en) * 2003-11-14 2004-05-20 Matsushita Electric Ind Co Ltd Paste coater and paste coating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004146841A (en) * 2003-11-14 2004-05-20 Matsushita Electric Ind Co Ltd Paste coater and paste coating method

Also Published As

Publication number Publication date
JP2934040B2 (en) 1999-08-16

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