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Device for cleaning screen printing mask, screen printing machine, and method for cleaning screen printing mask

A screen printing machine, screen printing technology, applied in screen printing machine, printing machine, rotary printing machine and other directions, can solve the problem of low cleaning efficiency

Active Publication Date: 2011-10-26
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has the problem that the cleaning efficiency usually becomes lower due to this

Method used

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  • Device for cleaning screen printing mask, screen printing machine, and method for cleaning screen printing mask
  • Device for cleaning screen printing mask, screen printing machine, and method for cleaning screen printing mask
  • Device for cleaning screen printing mask, screen printing machine, and method for cleaning screen printing mask

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Experimental program
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Effect test

Embodiment Construction

[0038] Embodiments of the present invention are described below with reference to the accompanying drawings. exist figure 1 Among them, the screen printing machine 1 of the embodiment includes: a substrate holding block 2 that holds a substrate PB as a printing object; a screen printing mask (hereinafter referred to as "mask") 3, which is arranged on 2 above the substrate PB held and all appearing as a rectangle; the paste feeding head 4 disposed above the mask 3; and the cleaning unit 5, which contacts from below the bottom surface of the mask 3 and where the screen printing machine 1 has completed the screen Clean the mask 3 after printing. For ease of explanation, the direction of the short side of the mask 3 (perpendicular to figure 1 The direction of the drawing) as the X-axis direction; the direction of the long side of the mask 3 ( figure 1 The horizontal direction of the drawing) as the Y-axis direction; the thickness direction of the mask 3 ( figure 1 The vertical...

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Abstract

Provided are a device for cleaning a screen printing mask, a screen printing machine, and a method for cleaning a screen printing mask capable of removing a paste effectively with respect to a screen printing mask corresponding to a cavity substrate. A scrubing region (34a) of a paper member (34) is rubbed against a lower surface of a flat portion correspondence mask region (MRF) to remove the paste (PT) attached to the lower surface of the flat portion correspondence mask region (MRF), and the scrubing region (34a) of the paper member (34) is sequentially rubbed against a lower portion of each projection (3a) in a cavity portion correspondence mask region (MRC) to remove the paste (PT). In the case of removing the paste (PT) attached to the lower portion of each projection (3a), after the scrubing region (34a) of the paper member (34) is separated from one projection (3a) and before the region contacts another projection (3a), the paper member (34) is wound so as to renew the scrubing region (34a) of the paper member (34).

Description

technical field [0001] The present invention relates to a screen printing mask cleaning unit, a screen printing machine, and a screen printing mask cleaning method for wiping off paste adhered to a bottom surface of a screen printing mask. Background technique [0002] For the screen printing mask used when paste, such as solder paste, is printed on the electrodes of the substrate and kept in contact with the substrate (hereafter simply referred to as "mask"), it is necessary to wipe off the sticking to the mask as the mask. The paste of the detached product of the mask is prepared for the next screen printing operation. The cleaning unit for wiping off the paste adhering to such a mask is configured such that the paste adhering to the mask is wiped off by wiping a predetermined area (wiping area) of the paper member against the bottom surface of the mask ( See, for example, Patent Document 1). [0003] Incidentally, as for the substrate, a so-called cavity substrate is kn...

Claims

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Application Information

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IPC IPC(8): B41F35/00B41F15/08B41F15/12H05K3/34
CPCB41F35/005B41P2235/24H05K1/183H05K3/1225H05K3/1233H05K3/26H05K2203/0257B41F15/08B41F15/12B41F35/00H05K3/34
Inventor 田中哲矢阿部成孝
Owner PANASONIC CORP
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