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Nozzle arrangement

A nozzle device and housing technology, applied in the direction of spraying devices, spraying devices, cleaning methods and appliances, etc., can solve the problems of uneven flow rate, uneven treatment liquid volume, etc., and achieve the effect of flow rate balance

Active Publication Date: 2005-12-21
ATOTECH DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the static pressure already present, this can lead to build-up pressure and uneven flow rates at the nozzle opening
A further consequence is that the output of the treatment liquid is not uniform

Method used

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Experimental program
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Embodiment Construction

[0039] The nozzle arrangement shown in FIG. 1, which is particularly suitable for use as a flow nozzle in an electroplating system in which printed circuit boards pass through horizontally, comprises a housing 2 substantially in the shape of a parallelepiped. Arranged on the rear of the housing 2 is a connection sleeve 1 which is coupled to the fluid feed opening of the housing for feeding in process fluid. On the side of the casing 2 opposite to the workpiece to be processed or the product to be processed, rows of staggered slits or holes are provided, and these slits or holes form an output opening 8 for the processing liquid. In the illustrated embodiment, all slit delivery openings or holes 8 have the same dimensions, ie have the same length and width or the same diameter. However, different dimensions can also be chosen in order to produce a predetermined spray or stream pattern.

[0040] Inside the housing 2 there is provided a wedge-shaped insert 3, preferably made of ...

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PUM

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Abstract

A nozzle arrangement is described which may in particular be used as a flow nozzle in galvanization systems with horizontal throughput of printed-circuit boards. The nozzle arrangement comprises a longitudinal housing (2) with at least one fluid feed opening to feed a treatment fluid for treating a work piece, for example a printed-circuit board, and preferably a plurality of slotted fluid delivery openings (8) for releasing the treatment fluid. In the housing (2) a fluid channel (5) is formed for feeding the treatment fluid from the fluid feed opening to the fluid delivery openings (8). In order to achieve the most even possible flow speed of the treatment fluid at the fluid delivery openings (8), (a) the throughput of the fluid channel (5) for the treatment fluid reduces continuously from the fluid feed opening in the longitudinal direction of the housing (2) and / or (b) before the delivery of the fluid from the fluid delivery openings (8) a storage chamber is provided.

Description

technical field [0001] The present invention relates to a nozzle device, which can be used in the occasion of treating a workpiece with a treatment liquid, or in the occasion of flooding a treatment liquid into a corresponding treatment bath. In particular, the present invention relates to a flow nozzle arrangement which can be applied, for example, in continuous systems for the wet chemical treatment of printed circuit boards. Background technique [0002] Nozzle arrangements of the type described are widely known. Thus, for example, such nozzle arrangements are used in continuous systems for the wet-chemical treatment of printed circuit boards in order to achieve as rapid and uniform a treatment of the passing printed circuit boards as possible. For this purpose, in a known form, various such nozzle arrangements are arranged above and / or below the horizontal position in which said printed circuit board passes, and diagonally opposite the direction of passage of this print...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B1/20B08B3/02H01L21/00H05K3/00
CPCB05B1/205B08B3/02H01L21/67051H05K3/0085H05K2203/0746H05K2203/1509
Inventor 洛伦茨·科普亨利·孔泽费迪南德·维纳
Owner ATOTECH DEUT GMBH
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