Mega Electronics
300-001, Single Sided 229 x 159mm UV Exposure Unit with 2 x 8 W Tubes, 420 x 175 x 90mm
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Product Details

UV Exposure Units

Peak output from the UV tubes occurs in the region of 350nm. An instruction leaflet is supplied (includes information for making PCBs).

UV Exposure Units for preparation of track layouts on PCBs
Foam layer in lid ensures excellent artwork to PCB contact
Small unit has mechanical 0 to 6 minute timer
Electronic timer with touch membrane control panel in larger units
UV tube ends are masked off to ensure "true and even" usable exposure area. (All UV tubes produce less UV at tube ends)

Stock No Exposure Area Tubes H mm W mm D mm Wt kg
555-279 245 x 150 mm 2 x 8W 95 405 175 3
196-5251 260 x 330 mm 4 x 15W 120 515 370 10
559-934 508 x 356 mm 4 x 40W 145 765 410 15.5

Note

Medium unit shown, other similar

Caution

Whilst the UV light emitted is not dangerous, some eye discomfort may be experienced if the tubes are viewed directly

PCB Development Equipment

These Processing Tanks comprise of a number of different versions to enable the following complete 7-stage production process to be undertaken:,1. Develop, 2. Wash, 3. Etch, 4. Wash, 5. Resist Strip, 6. Wash, 7. Chemical Tin.

Specifications
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TypeSingle Sided
Exposure Area229 x 159mm
Maximum Timer Setting6min
Timer TypeMechanical
Tube Configuration2 x 8 W
Dimensions420 x 175 x 90mm
Depth175mm
Height90mm
Width420mm
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Customer reviews
Average customer rating  ( 1 Customer reviews )

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Does Exactly what it says
This is an excellent and easy to use product. I use it in conjunction with the photopositive PCB boards from RS, with artwork prepapred by DesignSpark PCB. For processing I use the Sodium Metasilicate (also sold by RS) and Ferric Chloride which can be got pretty well anywhere. One you have prepare the artwork onto transparency expose the PCB for the time recommended on the data sheet for the board (6 minutes for the boards that I used) Then develop using the Sodium Metasilicate in a developing tray - work in yellow light or subdued light. Very quikly, around a minute or so, the copper to be etched away later will be fully revealed. The copper should appear bright with the masked areas apprearing relativly darg green. After washing and etching the result is a pin-sharp PCB that could easily pass for commercial manufacture. Tips. (1) Obviously make sure that the artwork is the correct side up and then tape guides onto the artwork against which two sides of the PCB can be located. This will help ensure that your alignment is correct and consistent every time, (2) When etching, take care to ensure that all the copper that should be removed, has been removed and then leave it a further half minute or so to be certain. (3) Like all chemical processes, temperature is an inportant factor. To maintain a constant tempertaure I warm the chemils to the right temperature and also warm the developer trays just a bit more. I also float the developer tray on a larger developer tray containing warm water. This helps keep the temperature constant and helps with keeping the chemicals agitated. (4) tape a length of sellostape to the plastic side of the board to help get the board in and out of the chemicals. Avoid using tongs as these may damage the photo-resist. Happy constructions !

Rating:

Reviewed by:
MICHAEL BRUCE

Created on:
May 11, 2013

6 of 8 people found this review helpful.

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28 In stock for FREE next working day delivery
£183.32
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Technical Reference
RoHS Status: Not Applicable
  • RS Components

    Statement of conformity


    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 555-279
    Description 300-001, Single Sided 229 x 159mm UV Exposure Unit with 2 x 8 W Tubes, 420 x 175 x 90mm
    Manufacturer/Brand: Mega Electronics
    Mfr. Part No. 300-001
    The foregoing information relates to product sold on, or after, the date shown below.
    RS COMPONENTS
    Date Jul 26, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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