Reflow oven and methods of treating surfaces of the reflow oven
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United States of America Patent
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May 30, 2017
Issued Date -
N/A
app pub date -
Jan 20, 2015
filing date -
Apr 2, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A reflow oven includes a chamber housing including surfaces that are in contact with heated air mixed with contaminants, including flux, and a water-soluble layer selectively applied to the surfaces of the chamber housing. Embodiments of the reflow oven include an acrylic-based layer, such as an acrylic paint. In one embodiment, the acrylic paint includes a water-soluble polymer, a polymer emulsion, and water. The water-soluble polymer includes butyl benzyl phthalate. In some embodiments, the acrylic paint includes 1-10% by weight butyl benzyl phthalate, 30-55% by weight acrylic polymer emulsion, and balance water. In a certain embodiment, the acrylic paint includes 1-5% by weight butyl benzyl phthalate, 35-50% by weight acrylic poly emulsion, and balance water. Methods of treating surfaces of the reflow oven are further disclosed.
First Claim
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- F27B:FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPE....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- F27D:DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, ....
- H05K:PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAIL....
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