3 patents
Utility
Detection of a suspect counterfeit part by chromatography
21 Sep 21
Parts are exposed to liquid chromatography to generate a corresponding chromatogram, wherein the chromatogram is compared to a chromatogram of a genuine part to determine if the tested part is suspect counterfeit.
Mark Northrup
Filed: 29 Jan 18
Utility
Electrically testing cleanliness of a panel having an electronic assembly
24 Aug 21
Mark Northrup
Filed: 19 Feb 19
Utility
Electrically Testing Cleanliness of a Panel Having an Electronic Assembly
19 Aug 20
A method of assessing a cleanliness of an assembly in a panel during a manufacturing process is provided, wherein an electrical signal of at least one of a predetermined voltage, current or frequency is applied across a first subset and a second subset of nonconnected electrical contacts in a test coupon associated with the assembly, such that the first subset and the second subset have different pitches.
Mark Northrup
Filed: 18 Feb 19
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