Showerhead assembly and substrate processing apparatus
US-2024042463-A1 · Feb 8, 2024 · US
US9126751B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9126751-B2 |
| Application number | US-201313786936-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 6, 2013 |
| Priority date | Jun 15, 2012 |
| Publication date | Sep 8, 2015 |
| Grant date | Sep 8, 2015 |
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Official abstract text for this publication.
A hot melt adhesive dispensing system includes an adhesive cut-off module, which introduces a non-adhesive liquid medium to cut-off a hot melt adhesive stream without forming an angel hair. The adhesive cut-off module includes a spool valve assembly which is configured to move from an adhesive dispensing position to a liquid dispensing position to cut-off the hot melt adhesive stream.
Opening claim text (preview).
What is claimed is: 1. A hot melt adhesive dispensing system, comprising: a nozzle assembly including an adhesive cut-off module, wherein the adhesive cut-off module is configured to cut-off a hot melt adhesive stream free of an angel hair formation by dispensing a non-adhesive liquid; a hot melt adhesive delivery system configured to deliver a hot melt adhesive to the nozzle assembly; and a liquid delivery system configured to deliver the non-adhesive liquid to the nozzle ass…
Operations & Transport · mapped topic
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Operations & Transport · mapped topic
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