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Method and apparatus for producing ceramics semi-finished products

A production method and technology of semi-finished products, applied in the field of producing ceramic semi-finished products, capable of solving problems such as unstable path of carrier film 53, thickness variation of ceramic semi-finished products, etc.

Inactive Publication Date: 2004-05-12
MURATA MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Likewise, in Figure 8 In the shown method, the path of the carrier film 53 is unstable due to the change of the suction force of the suction nozzle 54, so the thickness of the obtained ceramic semi-finished sheet will also be changed.

Method used

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  • Method and apparatus for producing ceramics semi-finished products
  • Method and apparatus for producing ceramics semi-finished products
  • Method and apparatus for producing ceramics semi-finished products

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Experimental program
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Embodiment Construction

[0033] The described first preferred embodiment of the device for producing ceramic blanks has a film transfer roller 2 on which the elongated carrier film 1 is wound. As the carrier film 1, it is preferable to use a suitable synthetic resin film having a low elongation, such as a polyethylene phthalate film.

[0034] On the other hand, the film winding roller 3 is arranged at a certain distance from the film feeding roller 2 . The film feeding roller 2 and film winding roller 3 are coupled with a rotational driving source (not shown) such as a motor. The rotational drive source is set to transfer the carrier film 1 from the film feeding roller 2 to the film winding roller 3 while controlling the tension of the carrier film to be constant. Therefore, the conveying device according to the preferred embodiment of the present invention includes a film feeding roller 2 , a film take-up roller 3 and a rotational driving source coupled to the film delivery roller 2 and the film tak...

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PUM

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Abstract

A method for producing ceramic green sheets allows the foreign substances on the surface of a carrier film to be reliably removed, prevents fluctuation of the path line when a carrier film is transferred by a foreign substance removal device, and enables a ceramic green sheet having a low local variation in thickness to be achieved. In this method for ceramic green sheets, a carrier film is transferred, the transfer direction of the carrier film is changed by a support roll, and the foreign substances on the carrier film surface are removed by an adhesive roll as a foreign substance removal device at the area where the carrier film is in contact with the peripheral surface of the support roll. Then ceramic slurry is applied on the carrier film using a ceramic slurry applying unit, and thereby a ceramic green sheet is formed.

Description

technical field [0001] The present invention relates to a method and a device for producing ceramic blanks for devices such as layered capacitors and other devices, in particular ceramic blanks each supported by a carrier film. Background technique [0002] In recent years, in layered ceramic electronic components such as layered capacitors, the thickness of ceramic layers provided between internal electrodes has become smaller and smaller, which requires reduction in the thickness of ceramic blanks used. Therefore, generally, a ceramic green sheet is formed on a ceramic thin film made of a synthetic resin film, and is processed while being supported by a carrier film. [0003] When the ceramic blank is formed by applying the ceramic slurry to the carrier film, the carrier film must be kept clean. Thus, various methods can be used to remove foreign substances such as dust or dirt on the surface of the carrier film. [0004] Figure 7 is a schematic side view illustrating t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B1/30B28B5/02B28B7/38B28B17/04B28B19/00
CPCB28B7/386B28B19/0092B28B5/027
Inventor 浅川滋伸井关裕
Owner MURATA MFG CO LTD