| 摘要 |
THE INVENTION RELATES TO A PRINTED CIRCUIT BOARD (1) FOR AN ELECTRIC CIRCUIT PROVIDED WITH A CODE 2 SUCH AS A BAR CODE, A DISCRIMINATION AND CONTROL METHOD OF THE BOARD (1), AND A METHOD OF FORMING THE CODE (2) ON THE BOARD (1). THE INVENTION AIMS TO FACILITATE PROVISION OF THE CODE (2) ON THE BOARD (1), TO PREVENT THE CODE (2) FROM BEING EXTINGUISHED AND EXFOLIATED, AND TO MECHANIZE PRODUCTION CONTROL OF THE CIRCUIT BOARD (1).TO THIS END, THE PRINTED CIRCUIT BOARD (1) OF THE INVENTION IS ARRANGED TO INCLUDE THE CODE (2) INTEGRALLY FORMED ON A BOTTOM FACE (4) OF A RECESSED PORTION (3) PROVIDED ON A SURFACE OF THE BOARD (1) BY A METHOD OF INJECTION MOLDING OR COMPRESSION MOLDING.WITH THE STRUCTURE, THE CODE (2) IS PREVENTED FROM BEING EXTINGUISHED AND EXFOLIATED AND A RELIABILITY OF READING THE CODE (2) IS IMPROVED. ALSO, THE PRODUCTION CONTROL OF THE BOARD (1) CAN BE AUTOMATIZED AND BENEFICIAL INFORMATION CAN BE OBTAINED.(FIG 1)
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