KR20120133975A - Method for forming paste layer and apparatus for forming paste layer - Google Patents

Method for forming paste layer and apparatus for forming paste layer Download PDF

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Publication number
KR20120133975A
KR20120133975A KR1020110112491A KR20110112491A KR20120133975A KR 20120133975 A KR20120133975 A KR 20120133975A KR 1020110112491 A KR1020110112491 A KR 1020110112491A KR 20110112491 A KR20110112491 A KR 20110112491A KR 20120133975 A KR20120133975 A KR 20120133975A
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KR
South Korea
Prior art keywords
scraper
lever
squeegee
frame
paste
Prior art date
Application number
KR1020110112491A
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Korean (ko)
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KR101736463B1 (en
Inventor
세이치 미야하라
키요모리 니시무라
Original Assignee
삼성테크윈 주식회사
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Publication of KR20120133975A publication Critical patent/KR20120133975A/en
Application granted granted Critical
Publication of KR101736463B1 publication Critical patent/KR101736463B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/008—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using scrapers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04—Mounting of components, e.g. of leadless components
    • H05K13/0447—Hand tools therefor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/341—Surface mounted components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/134—Axle
    • B65H2404/1341—Elastic mounting, i.e. subject to biasing means

Abstract

PURPOSE: A method and apparatus for forming a paste film are provided to improve quality by moving a scraper back not to collide with the upper side of a table. CONSTITUTION: A paste film is formed by relatively moving a squeegee(2) on a table(1). Paste is supplied to the table. The paste film is removed by moving a scraper(3) to the table. The scraper moves back not to contact with the upper side of the table in a thin film process. A gap is formed between the lower side of squeeze and the upper side of the table. [Reference numerals] (AA) Step 1; (BB) Step 2; (CC) Step 3; (DD) Step 4; (EE) Step 5; (FF) Step 6; (GG) Step 7; (HH) Step 8; (II) Step 9; (JJ) Step 10; (KK) Step 11

Description

Method for forming paste film and apparatus for forming paste film TECHNICAL FIELD

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for forming a paste film used for transferring a paste such as flux to a bump or a terminal of an electronic component when mounting an electronic component such as an IC chip on a printed board by an electronic component mounter.

The electronic component mounter adsorbs the upper surface of the electronic component supplied in the posture (face down posture) of the bump or terminal downward direction by the adsorption head to move upward of the thin film (paste film) of the paste such as flux. After the adsorption head is lowered and paste is attached (transferred) to bumps or terminals, electronic components are mounted on a printed board.

The paste film used for the above-mentioned application generally has a size of a gap, which is a gap between the upper surface of the table and the lower surface of the squeegee, by moving the squeegee disposed above the table relative to the table to which the paste is supplied. Is formed by a method of forming a paste film having a thickness according to (e.g., Japanese Patent Laid-Open No. 2008-10525, Japanese Patent Laid-Open No. 2010-114338, and Japanese Patent Laid-Open No. 2011-60874). Reference). The used paste film is scraped off by a scraper, and then the paste film is formed again.

1 is a process chart showing a conventional method for forming a paste film. The table 1 and the squeegee 2 are used to form the paste film. In addition, the scraper 3 is used to scrape off the used paste film. Although the squeegee 2 is comprised so that elevating is possible, the scraper 3 is comprised so that it may pressurize downward and always contact the upper surface of the table 1.

In forming the paste film, first, the paste P is supplied onto the table 1 (step 1).

Next, the squeegee 2 is lowered so that a gap corresponding to the desired thickness of the paste film is formed between the lower surface of the squeegee 2 and the upper surface of the table 1 (step 2).

In this state, the table 1 is moved to one side in the horizontal direction (right side in FIG. 1), and a paste film P1 having a thickness corresponding to the size of the above-described gap is formed on the table 1 (step 3).

Then, the adsorption head H of the electronic component mounting machine which adsorbed-held the electronic component C is moved upward of the paste film P1 (step 4), and the adsorption head H is lowered therefrom, and an electronic component (C) The bottom bump or terminal is immersed in the paste film P1 (step 5), and the adsorption head H is raised to attach (transfer) the paste to the bump or terminal on the bottom of the electronic component C (step 6). ).

The electronic component C on which the paste has been transferred is moved to a predetermined position on the printed board while being adsorbed and held by the adsorption head H (step 7) and mounted on the printed board.

On the other hand, with respect to the used paste film P1 on the table 1, the squeegee 2 is retracted upward (step 8), and then the table 1 is moved to the other side in the horizontal direction (left side in FIG. 1). Scrape off with scraper 3 (step 9).

Thereafter, the squeegee 2 is lowered again (step 10) and the table 1 is moved to one side in the horizontal direction, so that the paste film P1 is again moved by the paste P scraped and collected in step 9. On 1) (step 11). Thereafter, the above step 4 is repeated. That is, in forming the paste film, the film forming steps (steps 2 to 3 and steps 10 to 11) and the scraping off steps (steps 8 to 9) are repeatedly performed.

However, in the conventional method of forming the paste film, as described above, the scraper 3 is always configured to contact and collide with the upper surface of the table 1, so that the back surface of the scraper 3 is closed during the film forming process. There was a problem that the waste paste on the back of the scraper 3 grows and grows as the paste becomes dirty and the film forming process and the scraping process are repeated. Specifically, as described above, the paste film P1 used in step 9 is scraped off with the scraper 3, but the scraped paste P2 scraped off on the table 1 remains. This waste paste P2 is scraped off from the back of the scraper 3 and adhered to the back of the scraper 3 during the film forming process of steps 10-11. Thereafter, as the scraping-out process and the film-forming process are repeated, the waste paste P2 on the back of the scraper 3 grows and becomes large. The waste paste P2 adhered to the back of the scraper 3 causes the quality of the paste film P1 to be deteriorated during the film forming process, and the waste paste on the back of the scraper 3 is periodically periodically suppressed. Since it is necessary to clean and remove (P2), it also brought about the fall of productivity.

According to one aspect of the present invention, a method of forming a paste film by repeating a film forming process and a scraping process of a paste film by using a squeegee and a scraper, wherein the pasting of the waste paste on the back surface of the scraper during the film forming process is prevented. We assume main problem.

According to an aspect of the present invention, a film forming process of forming a paste film having a thickness corresponding to a gap size between a top surface of the table and a bottom surface of the squeegee by moving the squeegee relative to the table on which the paste is supplied; And a method of forming a paste film by repeating a scraping process of scraping a paste film formed on the table by moving the scraper relative to the table, wherein the film scraper is formed so that the scraper does not touch the upper surface of the table. Provided is a method of forming a paste film that is retracted upward.

According to an aspect of the present invention, a paste is provided and includes a table movable in the horizontal direction, and a squeegee and a scraper disposed to be capable of lifting up and down respectively above the table, between a lower surface of the squeegee and an upper surface of the table. A film forming step of forming a paste film having a thickness corresponding to the size of the gap on the table by moving the table supplied with the paste in a state of lowering the squeegee so that a predetermined gap is formed in the table; A paste film forming apparatus which repeats a scraping process of scraping a paste film on the table by moving a table on which the paste film is formed while lowering the scraper so as to contact an upper surface, wherein the squeegee is rotatable about one point. To interlock with one end of the lever And the scraper is installed to interlock with the other end of the lever. In the film forming process, the lower surface of the squeegee and the upper surface of the table are rotated by rotating the lever in a direction in which one end of the lever descends and the other end of the lever rises. While forming the gap therebetween, the scraper does not touch the upper surface of the table, and in the scraping process, the scraper is rotated in a direction in which one end of the lever rises and the other end of the lever descends. An apparatus for forming a paste film, which is in contact with an upper surface of the table, is provided.

Here, the squeegee is connected to the liftable squeegee frame, the scraper is connected to the liftable scraper frame, the squeegee frame is provided with a pin that can contact the lower surface of one end of the lever, the other end of the lever on the scraper frame A pin capable of contacting an upper surface of the lever is provided, and one end of the lever is provided with a first elastic body for applying a force for elastically biasing one end of the lever downward, and above the other end of the lever of the scraper frame. A second elastic body may be installed between the positioned portion and the other end of the lever so as to exert a force in the compression direction at all times, and a lifting mechanism for pushing up the squeegee frame may be installed on the squeegee frame side.

Here, in the film formation process, the lever rotates in a direction in which one end of the lever descends and the other end of the lever rises by the action of the first elastic body, and one end of the lever contacts the pin of the squeegee frame from above. Thereby lowering the squeegee frame to form the gap between the lower surface of the squeegee and the upper surface of the table, while the other end of the lever contacts the pin of the scraper frame from below to raise the scraper frame so that the scraper The upper surface of the table, and in the scraping process, the raising mechanism raises the squeegee frame, and the pin of the squeegee frame contacts one end of the lever and pushes it up so that one end of the lever is raised and the Room where the other end of the lever descends And as the lever is rotated, can be by the action of said second elastic member so as to rest against the upper surface of the table to the scraper is moved down by the scraper frame.

Here, the lifting mechanism may be made of a cam mechanism.

According to one aspect of the present invention, since the scraper is retracted upward so that the scraper does not hit the upper surface of the table in the film forming process, it is possible to prevent the waste paste from adhering to the back of the scraper during the film forming process. This prevents the waste paste from adversely affecting the quality of the paste film during the film forming process, thereby improving the quality of the paste film. In addition, since the work of cleaning the waste paste adhered to the back of the scraper becomes unnecessary, the productivity of paste film formation can be improved.

1 is a process chart showing a conventional method for forming a paste film.
2 is a process chart showing a method of forming a paste film according to an embodiment of the present invention.
3A to 3C show an example of a paste film forming apparatus for performing a paste film forming method according to an embodiment of the present invention, specifically, FIG. 3A is a side view during the film forming process, and FIG. 3B is a scraping process. Side view, FIG. 3C is a view seen from the direction of the arrow AA in FIG. 3A.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a process chart showing a method of forming a paste film according to an embodiment of the present invention. As in the prior art, the table 1 and the squeegee 2 are used to form the paste film, and the scraper 3 is used to scrape off the used paste film. However, not only the squeegee 2 but also the scraper 3 is comprised so that lifting / lowering is possible.

In forming the paste film, first, the paste P is supplied onto the table 1 (step 1).

Next, the squeegee 2 is lowered so that a gap corresponding to the desired thickness of the paste film is formed between the lower surface of the squeegee 2 and the upper surface of the table 1 (step 2). At this time, in the present invention, the scraper 3 is retracted upward so that the scraper 3 does not touch the upper surface of the table 1.

In this state, the table 1 is moved to one side in the horizontal direction (right side in FIG. 2), and a paste film P1 having a thickness corresponding to the size of the gap described above is formed on the table 1 (step 3).

Then, the adsorption head H of the electronic component mounting machine which adsorbed-held the electronic component C is moved upward of the paste film P1 (step 4), and the adsorption head H is lowered therefrom, and an electronic component (C) The lower surface bumps or terminals are immersed in the paste film P1 (step 5), and then the adsorption head H is raised to attach (transfer) the pastes to the bumps or terminals on the lower surface of the electronic component C. Step 6).

The electronic component C on which the paste has been transferred is moved to a predetermined position on the printed board while being adsorbed and held by the adsorption head H (step 7), and mounted on the printed board.

On the other hand, with respect to the used paste film P1 on the table 1, the squeegee 2 is retracted upward and the scraper 3 is lowered so that the scraper 3 collides with the upper surface of the table 1. After (abutting) (step 8), the table 1 is moved to the other side in the horizontal direction (left side in FIG. 2) and scraped off by the scraper 3 (step 9).

Thereafter, the squeegee 2 is lowered again, and at the same time, the scraper 3 is retracted upward (step 10), and the table 1 is moved to one side in the horizontal direction, so that the paste P scraped and collected in step 9 is collected. By this, the paste film P1 is again formed on the table 1 (step 11). Thereafter, step 4 and subsequent are repeated. That is, in formation of a paste film, film-forming processes (steps 2 to 3 and steps 10 to 11) and scraping-out processes (steps 8 to 9) are repeatedly performed.

As described above, in the present invention, the scraper 3 is retracted upward in the film forming process so that the scraper 3 does not touch the upper surface of the table 1, and the scraper 3 is placed on the upper surface of the table 1 only in the scraping process. Try to hit it. Therefore, scraping the used paste film P1 with the scraper 3 in the above step 9 leaves the scraped paste P2 scratched on the table 1, nevertheless, in the subsequent film forming step. As shown in 10-11, since the scraper 3 does not touch the upper surface of the table 1, the waste paste P2 does not adhere to the back surface of the scraper 3. As shown in FIG.

In addition, in the example of FIG. 2 according to an embodiment of the present invention, the table 1 is moved in the horizontal direction with respect to the squeegee 2 and the scraper 3, but on the contrary, the squeegee 2 with respect to the table 1. And the scraper 3 may be moved in the horizontal direction.

3A to 3C show an example of a paste film forming apparatus for performing a paste film forming method according to an embodiment of the present invention, specifically, FIG. 3A is a side view during the film forming process, and FIG. 3B is a scraping process. Side view, FIG. 3C is a view seen from the direction of the arrow AA in FIG. 3A.

The paste film forming apparatus shown in FIGS. 3A to 3C includes a table 1 and a squeegee 2 and a scraper 3 disposed above the table.

The table 1 is configured to be movable in the horizontal direction, and the squeegee 2 and the scraper 3 are configured to be movable up and down. In addition, the squeegee 2 is installed so as to interlock with one end 5a of the lever 5 rotatable in a vertical plane about one point 4, while the scraper 3 is provided with the other end 5b of the lever 5. ) Is installed to work with. Hereinafter, a specific configuration will be described.

The squeegee 2 is connected to the liftable squeegee frame 6, and the scraper 3 is connected to the liftable scraper frame 7. The squeegee frame 6 and the scraper frame 7 are provided with guide rails 6a and 7a extending in the vertical direction, respectively, and the guide frames 8 and 9 provided with the guide rails 6a and 7a in the apparatus main body. The squeegee frame 6 and the scraper frame 7 can be raised and lowered smoothly by being guided to each other.

The squeegee frame 6 is provided with a pin 6b that can contact the lower surface of the one end 5a of the lever, and the scraper frame 7 is provided with a pin 7b that can contact the upper surface of the other end 5b of the lever. .

One end of the first elastic body 10 is connected to one end 5a of the lever. The other end of the first elastic body 10 is connected to the apparatus main body, and the first elastic body 10 exerts a force for always elastically biasing one end 5a of the lever downward. On the other hand, one end of the second elastic body 11 is connected to the other end 5b of the lever. The other end of the second elastic body 11 is connected to the mounting portion 7c provided on the scraper frame 7 located above the other end 5b of the lever, and the second elastic body 11 is always the other end 5b of the lever. ) And a force in the direction of reducing the distance between the mounting portion 7c above it, that is, the direction to compress. The first elastic body 10 and the second elastic body 11 may consist of a typical coil spring.

On the squeegee frame 6 side, the cam mechanism 12 is provided as a raising mechanism which pushes up the squeegee frame 6.

The cam mechanism 12 is composed of a cam 12a that is rotationally driven by the motor 13 and a cam follower 12b fixed to the squeegee frame 6, and the cam 12a is rotationally driven by a predetermined angle. The squeegee frame 6 is pushed up through the follower 12b. When the rotational position of the cam 12a is returned to the original position, the squeegee frame 6 descends to the original position.

In the above structure, in the film forming step, as described above in Step 2 of FIG. 2, the squeegee 2 is lowered to form a gap corresponding to the desired thickness of the paste film between the lower surface of the squeegee 2 and the upper surface of the table 1. Be sure to 3A shows the state at this time. That is, in the film-forming process, pushing up of the squeegee frame 6 by the cam mechanism 12 is not performed. In this state, the lever 5 rotates in the direction in which the one end 5a of the lever descends and the other end 5b rises by the action of the first elastic body 10, and the one end 5a of the lever rotates the squeegee frame 6. The squeegee frame 6 is lowered by contacting the pin 6b of the upper side from above. As a result, the squeegee 2 descends to form the gap between the lower surface of the squeegee 2 and the upper surface of the table 1. The size of this gap can be determined to be variable by controlling the amount of falling of the squeegee 2. Since the cam 12a of the cam mechanism 12 and the cam follower 12b are always in contact with each other, the amount of falling of the squeegee 2 is controlled by controlling the position of the cam 12a in the rotational direction with respect to the cam follower 12b. Can be controlled.

As described above, the other end 5b of the lever rises in the film forming process. If so, the other end 5b of the lever contacts the pin 7b of the scraper frame 7 from below to raise the scraper frame 7. As a result, the scraper 3 is raised so that it does not touch the upper surface of the table 1.

On the other hand, in the scraping-out process, the squeegee frame 6 is pushed up by the cam mechanism 12. As shown in FIG. 3B shows the state at this time.

When the squeegee frame 6 is pushed up by the cam mechanism 12, the pin 6b of the squeegee frame 6 contacts the one end 5a of the lever and pushes it up, and the one end 5a of the lever is raised and the other end thereof. The lever 5 rotates in the direction in which 5b descends. As a result, the scraper frame 7 is lowered by the action of the second elastic body 11. As a result, the scraper 3 descends to hit the upper surface of the table 1. With respect to the squeegee 2, the squeegee frame 6 is raised by being pushed up by the cam mechanism 12.

In addition, even if the amount of falling of the scraper 3 is too large due to an unexpected operation defect in such a scraping process, damage to the upper surface of the table 1 can be prevented because it is absorbed by the second elastic body 11. Moreover, since the error of the falling amount of the scraper 3 is absorbed by the 2nd elastic body 11 as mentioned above, it is not necessary to strictly adjust the height of the scraper 3 at the time of device assembly, and an assembly operation becomes easy.

As described above, the paste film generating apparatus of FIG. 3 controls the operation of the cam mechanism 12 to lower the squeegee 2 in the film forming step, raise the scraper 3 at the film forming step, and squeegee 2 in the scraping process. While raising the scraper (3) is lowered. Control of the operation of the cam mechanism 12 for this purpose can be realized by controlling the rotation operation of the motor 13 with a computer program.

In the paste film generating apparatus of FIG. 3, the motor 13 and the cam mechanism 12 are provided as the drive source only on the squeegee frame 6 side, and the drive source does not need to be provided on the scraper frame 7 side. The structure can be realized at low cost.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, You will understand the point. Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

The method and apparatus for forming a paste film according to the present embodiment can be used for a process of mounting electronic components and the like.

1: table 2: squeegee
3: scraper 4: one point
5: lever 6: squeegee frame
7: scraper frame 10: first elastic body
11: second elastic body 12: cam mechanism
13: motor

Claims (5)

A film forming process for forming a paste film on the table, the paste film having a thickness corresponding to a gap between the upper surface of the table and the lower surface of the squeegee by moving the squeegee relative to the table supplied with the paste; and a scraper relative to the table. In the method of forming a paste film, the method is performed by repeating the scraping-off process of moving and scraping off the paste film formed on the table.
The method of forming a paste film in which the scraper is retracted upward so that the scraper does not touch the upper surface of the table in the film forming step. And a squeegee and a scraper, each of which is paste-fed and movable in a horizontal direction, and squeegee and scraper disposed so as to be elevated above the table, wherein the squeegee is formed such that a predetermined gap is formed between the lower surface of the squeegee and the upper surface of the table. A film forming step of moving the table supplied with the paste in a lowered state to form a paste film having a thickness corresponding to the gap size on the table; and a state in which the scraper is lowered so that the scraper contacts an upper surface of the table. In the paste film forming apparatus which moves the table in which the said paste film was formed, and repeats the scraping-out process of scraping off the paste film on the said table | surface,
The squeegee is installed to interlock with one end of the rotatable lever around one point, the scraper is installed to interlock with the other end of the lever,
In the film forming process, by rotating the lever in a direction in which one end of the lever descends and the other end of the lever rises, the gap is formed between the lower surface of the squeegee and the upper surface of the table, and the scraper is the upper surface of the table. Do not touch
And a scraping film forming apparatus in which the scraper is brought into contact with the upper surface of the table by rotating the lever in a direction in which one end of the lever is raised and the other end of the lever is lowered in the scraping process. The method of claim 2,
The squeegee is connected to a liftable squeegee frame, the scraper is connected to a liftable scraper frame,
The squeegee frame is provided with a pin contactable to the lower surface of one end of the lever, the scraper frame is provided with a pin contactable to the upper surface of the other end of the lever,
One end of the lever is provided with a first elastic body for applying a force for elastically biasing one end of the lever always downwards,
A second elastic member is installed between the portion of the scraper frame located above the other end of the lever and the other end of the lever to always exert a force in the compression direction.
And a rising mechanism for pushing up the squeegee frame on the side of the squeegee frame. The method of claim 3,
In the film forming process, the lever rotates in a direction in which one end of the lever descends and the other end of the lever rises by the action of the first elastic body, and one end of the lever contacts the pin of the squeegee frame from above. By lowering the squeegee frame to form the gap between the lower surface of the squeegee and the upper surface of the table, the other end of the lever contacts the pin of the scraper frame from below to raise the scraper frame so that the scraper can raise the scraper frame. Do not touch the top of the
In the scraping process, the raising mechanism raises the squeegee frame, and the pin of the squeegee frame contacts one end of the lever and pushes it up so that one end of the lever is raised and the other end of the lever is lowered. And a lever rotates, and the scraper frame is lowered by the action of the second elastic body so that the scraper is brought into contact with the upper surface of the table. The method of claim 3,
An apparatus for forming a paste film, wherein the raising mechanism is a cam mechanism.
KR1020110112491A 2011-05-31 2011-10-31 Apparatus for forming paste layer KR101736463B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011122148A JP5703484B2 (en) 2011-05-31 2011-05-31 Paste film forming device
JPJP-P-2011-122148 2011-05-31

Publications (2)

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KR20120133975A true KR20120133975A (en) 2012-12-11
KR101736463B1 KR101736463B1 (en) 2017-05-17

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CN110303757A (en) * 2019-07-31 2019-10-08 常州时创能源科技有限公司 The feeding device of silicon slice printer

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Publication number Priority date Publication date Assignee Title
JPS6024539U (en) * 1983-07-28 1985-02-19 株式会社　ミノグル−プ Pressure force regulator for squeegee in screen printing machine
JPS60135256A (en) * 1983-12-24 1985-07-18 Tokai Shoji Kk Reversal change-over and drive apparatus of up-and- down movement of squeezee and doctor in screen printer
JP4744689B2 (en) * 2000-12-11 2011-08-10 パナソニック株式会社 Viscous fluid transfer device and electronic component mounting device
JP4720609B2 (en) * 2006-05-10 2011-07-13 パナソニック株式会社 Paste transfer device
JP4960160B2 (en) * 2007-07-06 2012-06-27 エルピーダメモリ株式会社 Flux transfer device and electronic component mounting method

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JP5703484B2 (en) 2015-04-22
JP2012253061A (en) 2012-12-20

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