INSPECTING METHOD OF PRINTED CIRCUIT BOARD
PURPOSE:To prolong th e lifetime of a spring pin by inserting a junction pin between the spring pin and a probe pin so that a force in the vertical direction be always transmitted to a probe electrode pin itself or the spring pin connected to the probe electrode pin. CONSTITUTION:A probe pin 27 and...
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| creator | SATO SATOSHI CHINO TAKAYUKI |
| description | PURPOSE:To prolong th e lifetime of a spring pin by inserting a junction pin between the spring pin and a probe pin so that a force in the vertical direction be always transmitted to a probe electrode pin itself or the spring pin connected to the probe electrode pin. CONSTITUTION:A probe pin 27 and a junction pin 22 are interposed between a terminal electrode at an off-grid position of a printed circuit board 8 and a head part 4A of a probe electrode pin 4. By applying a pressing force from above the printed circuit board 8 in this state, the probe pin 27, the junction pin 22 and the probe electrode pin 4 are connected electrically in this order without fail. On the occasion, a spacer 23 with a spring is also contracted, so that unnecessary lateral weighting to the probe pin 27 be reduced. The lateral weighting is given to the junction pin 22, since the probe pin 27 is inclined. However, the junction pin transmits the force to the head part 4A of the probe electrode pin 4 in the vertical direction invariably, and therefore no lateral weighting is applied to the probe electrode pin 4 which is a spring pin. |
| format | Patent |
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CONSTITUTION:A probe pin 27 and a junction pin 22 are interposed between a terminal electrode at an off-grid position of a printed circuit board 8 and a head part 4A of a probe electrode pin 4. By applying a pressing force from above the printed circuit board 8 in this state, the probe pin 27, the junction pin 22 and the probe electrode pin 4 are connected electrically in this order without fail. On the occasion, a spacer 23 with a spring is also contracted, so that unnecessary lateral weighting to the probe pin 27 be reduced. The lateral weighting is given to the junction pin 22, since the probe pin 27 is inclined. However, the junction pin transmits the force to the head part 4A of the probe electrode pin 4 in the vertical direction invariably, and therefore no lateral weighting is applied to the probe electrode pin 4 which is a spring pin.</description><language>eng</language><subject>MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; TESTING</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900518&DB=EPODOC&CC=JP&NR=H02130483A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900518&DB=EPODOC&CC=JP&NR=H02130483A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SATO SATOSHI</creatorcontrib><creatorcontrib>CHINO TAKAYUKI</creatorcontrib><title>INSPECTING METHOD OF PRINTED CIRCUIT BOARD</title><description>PURPOSE:To prolong th e lifetime of a spring pin by inserting a junction pin between the spring pin and a probe pin so that a force in the vertical direction be always transmitted to a probe electrode pin itself or the spring pin connected to the probe electrode pin. CONSTITUTION:A probe pin 27 and a junction pin 22 are interposed between a terminal electrode at an off-grid position of a printed circuit board 8 and a head part 4A of a probe electrode pin 4. By applying a pressing force from above the printed circuit board 8 in this state, the probe pin 27, the junction pin 22 and the probe electrode pin 4 are connected electrically in this order without fail. On the occasion, a spacer 23 with a spring is also contracted, so that unnecessary lateral weighting to the probe pin 27 be reduced. The lateral weighting is given to the junction pin 22, since the probe pin 27 is inclined. However, the junction pin transmits the force to the head part 4A of the probe electrode pin 4 in the vertical direction invariably, and therefore no lateral weighting is applied to the probe electrode pin 4 which is a spring pin.</description><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDy9AsOcHUO8fRzV_B1DfHwd1Hwd1MICPL0C3F1UXD2DHIO9QxRcPJ3DHLhYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxXgEeBkaGxgYmFsaOxsSoAQBPCiS4</recordid><startdate>19900518</startdate><enddate>19900518</enddate><creator>SATO SATOSHI</creator><creator>CHINO TAKAYUKI</creator><scope>EVB</scope></search><sort><creationdate>19900518</creationdate><title>INSPECTING METHOD OF PRINTED CIRCUIT BOARD</title><author>SATO SATOSHI ; CHINO TAKAYUKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH02130483A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>SATO SATOSHI</creatorcontrib><creatorcontrib>CHINO TAKAYUKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SATO SATOSHI</au><au>CHINO TAKAYUKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>INSPECTING METHOD OF PRINTED CIRCUIT BOARD</title><date>1990-05-18</date><risdate>1990</risdate><abstract>PURPOSE:To prolong th e lifetime of a spring pin by inserting a junction pin between the spring pin and a probe pin so that a force in the vertical direction be always transmitted to a probe electrode pin itself or the spring pin connected to the probe electrode pin. CONSTITUTION:A probe pin 27 and a junction pin 22 are interposed between a terminal electrode at an off-grid position of a printed circuit board 8 and a head part 4A of a probe electrode pin 4. By applying a pressing force from above the printed circuit board 8 in this state, the probe pin 27, the junction pin 22 and the probe electrode pin 4 are connected electrically in this order without fail. On the occasion, a spacer 23 with a spring is also contracted, so that unnecessary lateral weighting to the probe pin 27 be reduced. The lateral weighting is given to the junction pin 22, since the probe pin 27 is inclined. However, the junction pin transmits the force to the head part 4A of the probe electrode pin 4 in the vertical direction invariably, and therefore no lateral weighting is applied to the probe electrode pin 4 which is a spring pin.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | INSPECTING METHOD OF PRINTED CIRCUIT BOARD |
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