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 REST - RUBBER EPOXY STAMPING TOOLS
Rubber epoxy stamping tools offer an inexpensive solution for
epoxy dispensing, especially for prototyping and small production runs.
Typically the REST tools are used on die sizes from .051" / 1.30mm and
above.
The design provides a dot matrix epoxy print
out. The layout of the tool pins ensure a consistent amount of die attach
material to be placed on the pad area.
Three rubber pad patterns are available with
different dot diameter and pitch configurations:
-
Pad # 3, dot diameter .0118" /
0.30mm, pitch .031" / 0.80mm
-
Pad # 5, dot diameter .0197" /
0.50mm, pitch .040" / 1.00mm
-
Pad # 6, dot diameter .0236" /
0.60mm, pitch .040" / 1.00mm
How to select:
Even if empirical experiments give only true
image of the final dispense output, we can approach the
desired result by considering the following rule of thumb.
-
The epoxy coverage of the tool chosen
must be larger than the die size while the physical
pad patteren PL x PW should be equal or smaller than
the die size. For the standard pad layout, the value
PL, PW, DL, DW are given in the table and can be
calculated with the following formula :
ASM, Alphasem, Amica, Assembly Tech, ESEC, ESC, Datacon, Delvotec, Air Vac, Dr Tresky,
Foton, Hacker, Hughes, ISMECA, K&S, KME, Laurier, MRSI, Muehlbauer,
Palomar, Quad, SEC (Semiconductor Equipment Corp), Shinkawa, Toshoko,
Universal, West Bond, Viking Semicon and other die bonders.
Got a different manufacturers part or information ? No problem, we can offer equivalent parts, just contact us for a quote.
18/01/2012 03:50 |
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