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Page Title:
Repair of Broken Gold-Plated Copper Etch |
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11-5820-919-40-1
7.
Touch the soldering iron to the
Seal the repaired area by applying
11.
free end of the new etch material until
a thin, smooth bead of the mixed
the solder flows to the damaged etch at
adhesive over and around the edges of
that end.
the circuit in a neat and workmanlike
manner.
WARNING
Allow the adhesive to set 1 hour
12.
at room temperature.
Isopropyl alcohol is flammable.
Keep away from heat and open
flame. Vapors may be harmful.
Remove masking tape and remove
13.
Use with adequate ventilation.
surplus adhesive by scraping lightly.
Avoid prolonged or repeated
breathing of vapor. Avoid
eye contact. Do not take
WARNING
internally.
Handling hot items presents a
serious injury potential.
Remove excess soldering
with
8.
Asbestos gloves are required.
isopropyl
alcohol.
Apply masking tape around the
9.
Cure the repair in an oven for 1
14.
repaired area. Allow approximately
hour at 150 10 F or allow it to stand
l/16-inch gap between the circuit and
at room temperature for 24 hours.
tape on both sides and 1/8 inch at the
ends.
WARNING
WARNING
Polyurethane contains flam-
mable solvents and toxic
diisocyanates. Keep away
from heat and open flame.
Adhesives are irritating to the
Vapors or mists are harmful!
skin and eyes upon contact, and
Use
Complete body protection,
may emit harmful vapor.
including entire head, is
only with adequate ventilation.
required to prevent skin or
Avoid all skin and eye con-
Use protective clothing
eye irritation from contact
tact.
with the paint or its vapors
such as rubber gloves, apron
Respirator protec-
and eye protection. Wash off
or mists.
tion is required, usually an
immediately
any
accidentally
Hand
air-supplied hood, during
contaminated skin area.
mixing, curing, and applica-
washing facilities and eye
tion. Use this paint only with
wash fountain should be pro-
the protection requirements as
vided. Do not take internally.
Suitable
specified above.
flushing facilities must be
provided for immediate clean
10. Mix a small quantity of epoxy
water flushing or any acci-
adhesive in equal parts on a smooth
dental skin or eye contact.
piece of glass or hard plastic; mix the
Do not take internally.
tWO components
thoroughly.
3-9
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