Kune amateurKugadzirwa kwePCB, thermal transfer printing uye UV exposure inzira mbiri dzinowanzoshandiswa.
Midziyo inoda kushandiswa munzira yekupisa yekupisa ndeye: copper clad laminate, laser printer (inofanirwa kunge iri laser printer, inkjet printer, dot matrix printer uye mamwe maprinta haabvumirwe), pepa rekufambisa rinopisa (rinogona kutsiviwa ne bepa rinotsigira kuseri kwechinamira), asi bepa reA4 rakajairwa harigone kushandiswa), muchina wekufambisa wemafuta (unogona kutsiviwa nesimbi yemagetsi, foto laminator), mafuta-based marker peni (inofanira kunge iri-yakavakirwa-mafuta-yakavakirwa mamaki, inki yayo haina mvura, uye mvura-based inki mapeni haabvumirwi) , Corrosive makemikari (kazhinji anoshandisa ferric chloride kana ammonium persulfate), bhenji drill, mvura sandpaper (iyo yakatsetseka zviri nani).
Iyo chaiyo yekushandisa nzira ndeiyi inotevera:
Ronza pamusoro pecopper-clad pamusoro pebhodhi-yakapfeka nejecha remvura, uye ukuya oxide layer, wobva wageza poda yemhangura inogadzirwa nemvura, woiomesa.
Shandisa printa yelaser kudhinda mufananidzo wegirazi rekuruboshwe nekurudyi wefaira rePCB rakadhonzwa padivi rakatsetseka rebepa rekufambisa rinopisa, uye wiring inhema uye zvimwe zvikamu hazvina chinhu.
Isa bepa rekutamisa rinopisa pamusoro pemhangura yakashongedzwa pamusoro pendarira yakapfeka bhodhi (divi rekudhinda rakatarisana nemhangura yakavharwa divi, kuitira kuti bhodhi rakavharwa nemhangura rivhare zvachose nzvimbo yekudhinda), uye gadzirisa pepa rekutamisa rinopisa kuti ive nechokwadi chekuti pepa rinoita. kwete Movement ichaitika.
Muchina wekufambisa wekupisa unobatidzwa uye unopisa.Mushure mekunge preheating yapera, isa iyo copper-clad laminate yakagadziriswa nebepa rekutamisa rinopisa murubber roller yemuchina wekutamisa wemafuta, uye dzokorora kuchinjisa kwe3 kusvika ku10 nguva (zvichienderana nekushanda kwemuchina, kumwe kupisa kwemafuta michina inogona kushandiswa mushure me1 kupfuura, uye mamwe anoda gumi kupfuura).Kana iwe ukashandisa simbi yemagetsi kuendesa, ndapota gadzirisa simbi yemagetsi kusvika pakupisa kwepamusoro, uye dzokorora simbi bhodhi-yakapfeka bhodhi iyo iyo pepa rekufambisa rinogadziriswa rinogadziriswa, uye iron iyo yakaenzana kuti uone kuti chikamu chimwe nechimwe chichatsikirirwa ne iron.A copper clad laminate inopisa zvikuru uye haigoni kubatwa kwenguva yakareba isati yapera.
Mirira kuti copper clad laminate itonhore zvakasununguka, uye kana yatonhorera kusvika pakunenge kusisapisa, nyatsobvisa bepa rekufambisa rinopisa.Ziva kuti iwe unofanirwa kumirira kutonhora kwakazara usati wabvarura, zvikasadaro firimu repurasitiki riri pabepa rekutamisa rinopisa rinogona kunamatira kune copper clad board, zvichikonzera kukundikana kwekugadzira.
Tarisa uone kana kutamisa kwabudirira.Kana mamwe maronda asina kukwana, unogona kushandisa mafuta-based marker kuti apedze.Panguva ino, mavara akasiiwa neoiri-based marker pen pabhodhi-akapfeka bhodhi acharamba ari mushure mekuora.Kana iwe uchida kugadzira siginicha yakanyorwa nemaoko pabhodhi redunhu, unogona kuinyora zvakananga pabhodhi-yakapfeka bhodhi ine mafuta-based marker panguva ino.Panguva ino, gomba diki rinogona kubaiwa pamucheto wePCB uye tambo inogona kusungwa kuti ifambise kukora mudanho rinotevera.
Isa huwandu hwakakodzera hwemishonga inoparadza (tora ferric chloride semuenzaniso) mumudziyo wepurasitiki, uye udire mvura inopisa kuti uparadze mushonga (usawedzere mvura yakawandisa, inogona kunyungudika zvachose, mvura yakawandisa inoderedza kuwanda) , uye wozoendesa kune Soak yakadhindwa copper clad laminate mumushonga wemakemikari anoparadza, nemhangura yakavharwa parutivi kumusoro, kuti ive nechokwadi chekuti iyo inoparadza yakanyura zvachose mucopper clad laminate, uyezve ramba uchizunza mudziyo une corrosive solution. , kana kuzunza copper clad laminate.Zvakanaka, pombi yemuchina wekuora inomutsa mvura yekuora.Munguva yekuora, ndapota gara uchiteerera kune shanduko yemhangura clad laminate.Kana iyo kabhoni bhaisikopo kana ingi yakanyorwa nechinyoreso ikadonha, ndapota misa ngura nekukasira wotora laminate yemhangura woisuka, wozadza mutsara wakadonha nechinyoreso chine mafuta zvakare.Recorrosion.Mushure mekunge mhangura yose iri pabhodhi yakavharwa yaitwa ngura, bvisa bhodhi rakavharwa nemhangura ipapo, rigeze nemvura yepombi, wobva washandisa sandipaper remvura kupukuta printer toner pabhodhi rakapfeka copper paunenge uchichenesa.
Mushure mekuoma, chera gomba nebhenji drill uye yagadzirira kushandisa.
Kugadzira PCB neUV kuratidzwa, unofanirwa kushandisa izvi zvishandiso:
Inkjet printer kana laser printer (mamwe marudzi emaprinta haagone kushandiswa), copper clad laminate, photosensitive film kana photosensitive oil (inowanikwa online), firimu rekudhinda kana sulfuric acid bepa (firimu rinokurudzirwa laser printers), girazi ndiro kana plexiglass ndiro ( Nzvimbo yacho inofanira kunge yakakura kudarika bhodhi redunhu richagadzirwa), mwenje we ultraviolet (unogona kushandisa ultraviolet rambi machubhu ekuuraya utachiona, kana mwenje we ultraviolet anoshandiswa mumasaroni ezvipikiri), sodium hydroxide (inonziwo "caustic soda", inogona kutengwa mukati. zvitoro zvemakemikari), carbonic acid Sodium (inonziwo "soda ash", hupfu hunodyiwa alkali ndiyo crystallization yesodium carbonate, inogona kutsiviwa neupfu hunodyiwa alkali, kana sodium carbonate inoshandiswa muindasitiri yemakemikari), magurovhosi anodzivirira rabha (anokurudzirwa) , chinyoreso chine mafuta, mushonga wekuora, chibooreso chebhenji, Sandpaper yemvura.
Kutanga, shandisa printer kudhinda PCB kudhirowa pafirimu kana sulfuric acid bepa kuita "negative firimu".Cherechedza kuti mifananidzo yegirazi yekuruboshwe neyorudyi inodiwa paunenge uchidhinda, uye chena inodzoserwa (kureva kuti, wiring inodhindwa nemuchena, uye nzvimbo iyo foil yemhangura isingadiwi yakasviba).
Ronza pamusoro pecopper-clad pamusoro pebhodhi-yakapfeka nejecha remvura, uye ukuya oxide layer, wobva wageza poda yemhangura inogadzirwa nemvura, woiomesa.
Kana oiri yephotosensitive ikashandiswa, shandisa bhurasho diki kupenda zvakaenzana mafuta ane photosensitive pamusoro pecopper clad laminate wosiya iome.Kana iwe ukashandisa firimu remifananidzo, namira iyo photosensitive firimu pamusoro pendarira yakapfeka bhodhi panguva ino.Kune firimu rinodzivirira kumativi ose maviri ephotosensitive film.Tanga wabvarura firimu rekudzivirira kune rimwe divi wobva warinamira pabhodhi rakapfeka mhangura.Usasiye mabhuru emhepo.Imwe nhanho yefirimu inodzivirira Usakurumidza kuibvisa.Kunyangwe iri photosensitive firimu kana photosensitive mafuta, ndapota shanda mukamuri ine rima.Kana pasina kamuri ine rima, unogona kuvhara maketeni uye wobatidza mwenje wemagetsi mashoma kuti ushande.Iyo yakagadzirwa mhangura yakapfeka laminate inofanirawo kuchengetedzwa kure nechiedza.
Isa "negative film" pane copper-clad laminate yaitwa photosensitive treatment, dzvanya ndiro yegirazi, woturika mwenje weultraviolet pamusoro kuti uve nechokwadi chekuti nzvimbo dzese dzinogona kuwana yunifomu yeultraviolet mwaranzi.Mushure mekuiisa, batidza mwenje we ultraviolet.Ultraviolet rays inokuvadza kuvanhu.Usatarisa zvakananga pachiedza chinobudiswa ne ultraviolet rambi nemeso ako, uye edza kudzivisa kuratidzwa kune ganda.Inokurudzirwa kushandisa kadhibhodhi bhokisi kugadzira bhokisi rakareruka rekuratidzwa.Kana iwe ukafumurwa mukamuri, ndapota buda mukamuri mushure mekubatidza mwenje.Kureba kwemaitiro ekutsvaga kwakabatana nezvinhu zvakawanda zvakadai sesimba remwenje uye zvinhu zve "negative film".Kazhinji, inotangira kubva ku1 kusvika kumaminitsi makumi maviri.Unogona kudzima mwenje nguva nenguva kuti uongororwe.Kana pane mutsauko wakajeka wemuvara mufirimu yephotosensitive (apo inoratidzwa kune ultraviolet chiedza) Muvara unova wakasviba, uye ruvara mune dzimwe nzvimbo runoramba rusina kuchinjwa), ipapo kuratidzwa kunogona kumiswa.Mushure mekunge kuratidzwa kwamiswa, zvichiri kudikanwa kuichengeta murima kusvikira basa rekusimudzira rapera.
Gadzirira 2% yesodium carbonate solution, nyudza yakafumurwa yemhangura yakavharwa laminate mumhinduro, mirira kwechinguva (inenge 1 miniti), uye iwe unogona kuona kuti iyo photosensitive firimu pane yakareruka-ruvara chikamu chisina kuburitswa chinotanga. kuita chena nekuzvimba.Pakanga pasina shanduko yakakosha munzvimbo dzakasviba dzakafumurwa.Panguva ino, unogona kushandisa swab yekotoni kuti ubvise zvinyoro-nyoro zvikamu zvisina kuonekwa.Kugadzira idanho rakakosha, iro rakaenzana nedanho rekutamisa kupisa rekugadzira PCB nenzira yekupisa yekupisa.Kana nzvimbo isina kuonekwa isina kushambidzwa zvachose (isina kunyatsogadzirwa), inokonzera kuora munzvimbo iyoyo;uye kana nzvimbo dzakafumurwa dzasukwa, PCB inogadzirwa inenge isina kukwana.
Mushure mekuvandudzwa kwapera, unogona kubva mukamuri yerima panguva ino uye kuenderera pasi pechiedza chakajairika.Tarisa kana wiring yechikamu chakafumurwa chakwana.Kana isina kukwana, inogona kupedzwa neoiri-based marker peni, senge nzira yekupisa kupisa.
Inotevera ndeye etching, nhanho iyi yakangofanana nekuisa mukati mekupisa nzira yekufambisa, ndapota tarisa kumusoro.
Mushure mekunge corrosion yapera, demoulding inoitwa.Gadzirira 2% sodium hydroxide solution, nyudza iyo copper clad laminate mairi, mirira kwechinguva, iyo photosensitive zvinhu zvinosara pamhangura clad laminate zvinongodonha.Yambiro: Sodium hydroxide ialkali yakasimba uye inoparadza zvakanyanya.Ndapota chenjerera paunenge uchiibata.Zvinokurudzirwa kupfeka magirovhosi ekudzivirira uye magirazi.Kana yangobata ganda, ndapota sukurudza nemvura pakarepo.Solid sodium hydroxide inofanirwa kunge iine yakasimba hygroscopic zvimiro, uye ichaita deliques nekukurumidza kana yaiswa mumhepo, ndapota ichengetedze isina mhepo.Sodium hydroxide solution inogona kuita necarbon dioxide mumhepo kuti iumbe sodium carbonate, izvo zvinozoita kuti kukundikana, ndapota gadzirira izvozvi.
Mushure mekudzikisa, geza yasara sodium hydroxide paPCB nemvura, rega iome wobva wabaya maburi.
Nguva yekutumira: Mar-15-2023