3204947 MEGA, 3204947 Datasheet

3204947

Manufacturer Part Number

3204947

Description

PCB, FR4, 457X305, SS

Manufacturer

MEGA

Datasheet

1.3204911.pdf (1 pages)

Specifications of 3204947

External Height

305mm

External Width

457mm

Board Thickness

1.6mm

Svhc

No SVHC (15-Dec-2010)

Board Material

FR4 Epoxy Glass

Copper Coating Density

305 G/m Sq

Copper Thickness

0.035

External Length /

RoHS Compliant

Rohs Compliant

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High quality dip coated positive working photoresist.

contains a dye which gives a good contrast against the copper, allowing boards to be easily

inspected at the developing stage. Panels are protected by a specially designed light-proof

blue film which allows them to be guillotined without the risk of fracturing the Photoresist.

Thickness

Copper foil

Dissipation factor

Dielectric Constant

Solderbath resistance (260º)

Resist thickness

Spectral response

U.V. light energy required approx.

Shelf life

Developer

Etchant

U.V. EXPOSURE

Use a good quality artwork and purpose made U.V. exposure unit. The exact exposure time

will vary, depending on the quality of the artwork used and the size of the U.V. unit.

As a guide: Exposure times between 90 seconds and 120 seconds are normally sufficient.

DEVELOPING THE RESIST

Use 3204996 Developer concentrate. Mix as instructed and use between 18ºC – 24ºC,

preferably in a heated Processing Tank (157363). Developing time will depend on artwork,

exposure and developer temperature, 30 seconds to 180 seconds is typical.

Ready to use 141-310 Developer can also be used with this board, but the above mentioned

3204996 is recommended as the preferred developer.

Electrodeposited

Copper

fr4 AND COMPOSITE PRE-SENSITISED PCB

Low tack blue plastic film

FARNELL ELECTRONIC COMPONENTS LIMITED.

CANAL ROAD, LEEDS, WEST YORKSHIRE ,LS12 2TU

Epoxy resin impregnated glass fibre matt (FR4)

Compositive material has epoxy resin and paper base.

Telephone Number: 0113263 6311

Fax Number:

LAMINATES

FR4 Laminate

1.6mm

35 microns

5.4

20 secs.

5 microns

350 – 450 nm

50ml / cm

1 year at 15 – 20ºC

3204996

Ferric Chloride Pellets or liquid and Fine Etch Crystals.

0113263 3411

This high resolution photoresist

Photosensitive coating

FR4

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