Automated fillet inspection system with closed loop feedback and methods of use

Systems and methods for automated inspection of fillet formation along on or more peripheral edges (13a) of a packaged microelectronic device (14) that is attached to a supporting substrate (16), such system (10) including a feedback loop for controlling fillet formation. More specifically, the syst...

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Main Authors Babiarz Alec, Sit Owen Yikon, Etienne Stephane
Format Patent
LanguageEnglish
Published 11.10.2016
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Abstract Systems and methods for automated inspection of fillet formation along on or more peripheral edges (13a) of a packaged microelectronic device (14) that is attached to a supporting substrate (16), such system (10) including a feedback loop for controlling fillet formation. More specifically, the system (10) includes a dispensing system (18) configured for dispensing underfill material (22) onto the supporting substrate (16). The system (19) further includes an automated optical inspection (AOI) system (19) configured for determining a value of a measurable attribute of the fillet (12), such as whether the fillet (12) is properly dimensioned, i.e., sized and shaped. A feedback loop (66) is included between the dispensing system (18) and automated optical inspection system (19). The feedback loop (66) is configured to communicate information from the AOI system (19) to the dispensing system (18) to permit adjustment of one or more operating parameters thereof, thereby maintaining proper dimensions of the fillet (12).
AbstractList Systems and methods for automated inspection of fillet formation along on or more peripheral edges (13a) of a packaged microelectronic device (14) that is attached to a supporting substrate (16), such system (10) including a feedback loop for controlling fillet formation. More specifically, the system (10) includes a dispensing system (18) configured for dispensing underfill material (22) onto the supporting substrate (16). The system (19) further includes an automated optical inspection (AOI) system (19) configured for determining a value of a measurable attribute of the fillet (12), such as whether the fillet (12) is properly dimensioned, i.e., sized and shaped. A feedback loop (66) is included between the dispensing system (18) and automated optical inspection system (19). The feedback loop (66) is configured to communicate information from the AOI system (19) to the dispensing system (18) to permit adjustment of one or more operating parameters thereof, thereby maintaining proper dimensions of the fillet (12).
Author Etienne Stephane
Sit Owen Yikon
Babiarz Alec
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Snippet Systems and methods for automated inspection of fillet formation along on or more peripheral edges (13a) of a packaged microelectronic device (14) that is...
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SubjectTerms BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HANDLING RECORD CARRIERS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SEMICONDUCTOR DEVICES
TESTING
Title Automated fillet inspection system with closed loop feedback and methods of use
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