SE446493B - Method and device for checking the mounting of electrical component leads on a circuit board - Google Patents

Method and device for checking the mounting of electrical component leads on a circuit board

Info

Publication number
SE446493B
SE446493B SE8504109A SE8504109A SE446493B SE 446493 B SE446493 B SE 446493B SE 8504109 A SE8504109 A SE 8504109A SE 8504109 A SE8504109 A SE 8504109A SE 446493 B SE446493 B SE 446493B
Authority
SE
Sweden
Prior art keywords
circuit board
holes
leads
light
bent
Prior art date
Application number
SE8504109A
Other languages
Swedish (sv)
Other versions
SE8504109D0 (en
Inventor
B Karlsson
Original Assignee
Erisoft Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erisoft Ab filed Critical Erisoft Ab
Priority to SE8504109A priority Critical patent/SE446493B/en
Publication of SE8504109D0 publication Critical patent/SE8504109D0/en
Publication of SE446493B publication Critical patent/SE446493B/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0007—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components using handtools
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04—Mounting of components, e.g. of leadless components

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

In order to check the mounting of electronic component leads in the holes of a circuit board (1), the solder side of the circuit board (1) is lit by light aimed perpendicular to the circuit board from a first light source (20) and from light falling on the circuit board at an angle from a second light source. Two computer images are taken by means of a camera - one for each lighting angle. The computer image taken of the perpendicular light is used to detect holes with leads bent on the back of the circuit board. This is compared with a stored reference of the positions of the holes requiring leads. A new reference is created from this of the holes that should have a lead but do not have one that is bent. The computer image taken of the angled light is used to detect holes with leads that go straight through. This is compared with the new reference. If there are still holes that should have a lead but have neither a bent nor a straight lead, there is a fault indication. Otherwise, the circuit board is considered satisfactory.<IMAGE>
SE8504109A 1985-09-04 1985-09-04 Method and device for checking the mounting of electrical component leads on a circuit board SE446493B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8504109A SE446493B (en) 1985-09-04 1985-09-04 Method and device for checking the mounting of electrical component leads on a circuit board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8504109A SE446493B (en) 1985-09-04 1985-09-04 Method and device for checking the mounting of electrical component leads on a circuit board

Publications (2)

Publication Number Publication Date
SE8504109D0 SE8504109D0 (en) 1985-09-04
SE446493B true SE446493B (en) 1986-09-15

Family

ID=20361288

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8504109A SE446493B (en) 1985-09-04 1985-09-04 Method and device for checking the mounting of electrical component leads on a circuit board

Country Status (1)

Country Link
SE (1) SE446493B (en)

Also Published As

Publication number Publication date
SE8504109D0 (en) 1985-09-04

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