Musiyano uripo pakati pemapuranga edunhu rimwe-sided uye maviri-sided edunhu mabhodhi ndiyo nhamba yemhangura. Sainzi yakakurumbira: mapuranga ane mativi maviri edunhu ane mhangura mativi ese edunhu redunhu, anogona kubatanidzwa kuburikidza vias. Zvisinei, kune rumwe rutivi chete rwemhangura kune rumwe rutivi, iyo inogona kushandiswa chete kumatunhu akareruka, uye maburi akagadzirwa anogona kushandiswa chete pakubatanidza plug-in.
The zvounyanzvi zvinodiwa kaviri-mativi redunhu mapuranga ndechokuti wiring density anova hombe, aperture iduku, uye aperture yegomba metallized anova duku uye duku. Hunhu hwemaburi ane metallized iyo iyo layer-to-layer interconnection inotsamira yakanangana nekuvimbika kwebhodhi rakadhindwa.
Nekuderera kwehukuru hwepore, marara asina kukanganisa hukuru hwepore, senge marara ebhurashi nemadota anoputika, kana angosiiwa mugomba diki achaita kuti iyo electroless copper uye electroplating irasikirwe, uye pave nemakomba. pasina mhangura uye kuva makomba. Muurayi anouraya wesimbi.
Welding nzira yekaviri-sided circuit board
Kuti ive nechokwadi chechokwadi chekufambisa mhedzisiro yekaviri-sided redunhu bhodhi, zvinokurudzirwa weld maburi ekubatanidza pane kaviri-side bhodhi newaya kana zvakafanana (kureva, iyo kuburikidza-gomba chikamu chemetallization process), uye cheka chikamu chinobuda chetambo yekubatanidza Kukuvadza ruoko rwemushandisi, uku ndiko kugadzirira kwetambo yebhodhi.
Izvo zvakakosha zvekaviri-sided circuit board welding:
Kune zvishandiso zvinoda kuumbwa, zvinofanirwa kugadziriswa zvinoenderana nezvinodiwa zvemaitiro ekudhirowa; ndiko kuti, ivo vanofanirwa kuumbwa kutanga uye plug-in
Mushure mekugadzira, rutivi rwemuenzaniso rwe diode runofanira kutarisana kumusoro, uye hapafaniri kuva nekusiyana kwehurefu hwepini mbiri.
Paunenge uchiisa zvishandiso zvine polarity zvinodiwa, teerera kune polarity yavo kuti irege kudzoserwa kumashure. Mushure mekuisa, roll integrated block components, zvisinei kuti iri vertical or horizontal device, hapafanirwe kuve nekurereka kuri pachena.
Simba resimbi yekunyungudutsa rinoshandiswa pakutengesa riri pakati pe25 ~ 40W. Tembiricha yesimbi yekunyungudusa tipi inofanira kudzorwa paanenge 242 ℃. Kana kutonhora kwakanyanya, chidimbu chiri nyore "kufa", uye solder haigoni kunyungudutswa kana kutonhora kwakaderera. Nguva yekutengesa inofanira kudzorwa mukati me3 ~ 4 seconds.
The formal welding inowanzoitwa maererano newelding musimboti wemudziyo kubva pfupi kusvika kumusoro uye kubva mukati kunze. Nguva yewelding inofanira kuverengerwa. Kana nguva yacho yakanyanyisa, chigadziro chichapiswa, uye mutsara wemhangura pabhodhi remhangura uchapiswawo.
Nemhaka yokuti iyo yakapetwa kaviri-sided soldering, chirongwa chekugadzirisa kana zvakafanana zvekuisa bhodhi redunhu rinofanirawo kuitwa, kuitira kuti usasvina zvikamu zviri pasi.
Mushure mekunge bhodhi redunhu ratengeswa, kuongorora kwakadzama-mukati kunofanirwa kuitwa kuti kuone kuti pane kushaikwa kwekuisa uye soldering. Mushure mekusimbisa, cheka mapini echishandiso akadhindwa uye nezvimwe pabhodhi redunhu, wobva wayerera mune inotevera maitiro.
Mukushanda chaiko, iwo akakodzera maitirwo maitiro anofanirwawo kuteedzerwa zvakanyanya kuti ive nechokwadi chekushongedza kwemhando yechigadzirwa.
Nekukurumidza kukurumidza kwehunyanzvi hwepamusoro, zvigadzirwa zvemagetsi zvine hukama zvakanyanya neruzhinji zvinogara zvichivandudzwa. Veruzhinji vanodawo zvigadzirwa zvemagetsi zvine hunyanzvi hwekuita, hukuru hudiki uye mabasa akawanda, izvo zvinoisa mberi zvinodiwa zvitsva pamabhodhi edunhu. Ichi ndicho chikonzero bhodhi redunhu remativi maviri rakazvarwa. Nekuda kwekushandiswa kwakakura kweaviri-mativi edunhu mabhodhi, kugadzirwa kweakadhindwa edunhu mabhodhi akave zvakare akareruka, akaonda, mapfupi uye madiki.