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.
In situ oxidation of a redressed thermode blade is achieved by use of readily oxidizable materials such as Inconel* alloys and Incolony* alloys.
English (United States)
This text was extracted from a PDF file.
This is the abbreviated version, containing approximately
67% of the total text.
Page 1 of 1
In Situ Oxidizable Thermode Materials
In situ oxidation of a redressed thermode blade is achieved by use of readily
oxidizable materials such as Inconel* alloys and Incolony* alloys.
A commonly used approach for bonding beam leads to solder pads on a
substrate is one in which an electrically heated blade (thermode) is placed
against the top surface of the leads, forcing the leads in contact with the solder
pad. The blade is heated (typically by flowing electric current through the blade)
to a temperature sufficient to melt the solder. The blade is then rapidly cooled to
solidify the melted solder to form the bond. Thereafter, the blade is lifted. Blade
surface damage or irregularities are formed by use. The surface is redressed by
forcing the blade against a grindstone to remove the surface damage. This
redressing step is typically incorporated in the bonding tool. The grinding
removes any surface coating such as an oxide which is an electrical insulator.
The coating prevents electrical damage during bonding, from currents in the
thermode, to devices and circuits to which the beam leads are electrically
In situ oxidation to regrow a surface electrically insulating layer after blade
redressing is desirable. The insulator must be sufficiently thick to be an effective
electrical insula- lator and sufficiently thin so as not to act as a thermal insulator
inhibiting heat transfer from the blade to the beam and solder pad during
bonding. Also, if the surface...