The following operators can be used to better focus your queries.
( ) , AND, OR, NOT, W/#
? single char wildcard, not at start
* multi char wildcard, not at start
(Cat? OR feline) AND NOT dog?
Cat? W/5 behavior
(Cat? OR feline) AND traits
Cat AND charact*
This guide provides a more detailed description of the syntax that is supported along with examples.
This search box also supports the look-up of an IP.com Digital Signature (also referred to as Fingerprint); enter the 72-, 48-, or 32-character code to retrieve details of the associated file or submission.
Concept Search - What can I type?
For a concept search, you can enter phrases, sentences, or full paragraphs in English. For example, copy and paste the abstract of a patent application or paragraphs from an article.
Concept search eliminates the need for complex Boolean syntax to inform retrieval. Our Semantic Gist engine uses advanced cognitive semantic analysis to extract the meaning of data. This reduces the chances of missing valuable information, that may result from traditional keyword searching.
The necessary contact between the photoplate and the metal foil workpiece is accomplished in an unsealed system using Bernoulli's theorem.
English (United States)
This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
100% of the total text.
Page 1 of 2
Sealess Vacuum Photoplate Contact Tool
The necessary contact between the photoplate and the metal foil workpiece
is accomplished in an unsealed system using Bernoulli's theorem.
Air is drawn in at low velocity at the periphery of the glass photoplates 10 and
12, from both the top and bottom of the fixture. As the air enters, its velocity
increases and, in accordance with Bernoulli's theorem, it causes a significant
reduction in pressure between the photoplates. This pressure differential brings
the photoplates into intimate contact with the metal foil 14 workpiece.
Page 2 of 2
[This page contains 3 pictures or other non-text objects]