Apparatus and method for examining printed circuit board provided with electronic parts
Patent 4473842 Issued on September 25, 1984. Estimated Expiration Date: 
June 30, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 30, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus for bonding leads to semiconductor chips Automatic printed circuit dimensioning, routing and inspecting apparatus Patent #: 4295198 InventorsAssigneeApplicationNo. 06/393653 filed on 06/30/1982US Classes:348/126, Of electronic circuit chip or board29/832Assembling to base an electrical component, e.g., capacitor, etc.ExaminersPrimary: Britton, Howard W.Attorney, Agent or FirmInternational ClassesG01N 21/88 (20060101)G01N 21/956 (20060101) Foreign Application Priority Data1981-07-06 JPAbstractImage data of lead terminals and a chip element provided on a circuit board are stored on a video memory. Part of the video data stored in the video memory is read out and stored in a RAM by a microprocessor to be compared with reference pattern data stored in an external memory. The position of the chip element is checked in this way by having reference to the lead terminals. | |
