Binciken ɓarna na lambar laser akan PCB

Fasahar alamar Laser shine ɗayan manyan wuraren aikace-aikacen sarrafa Laser. Alamar Laser wata hanya ce ta yin alama wacce ke amfani da Laser mai ƙarfi mai ƙarfi don ba da haske a cikin gida don yaɗa kayan da ke saman ko haifar da halayen sinadarai don canza launi, ta haka yana barin alamar dindindin. Alamar Laser na iya samar da nau'ikan haruffa, alamomi da alamu, da dai sauransu, kuma girman haruffan na iya zuwa daga millimeters zuwa micrometers, wanda ke da mahimmanci na musamman ga samfuran anti-jabu.

 

Ka'idar lambar laser

Babban ka'idar alamar Laser shine cewa babban ƙarfin wutar lantarki mai ci gaba da yin amfani da laser yana haifar da janareta na laser, kuma laser mai da hankali yana aiki akan kayan bugu don narkewa nan take ko ma vaporize kayan saman. Ta hanyar sarrafa hanyar Laser a saman kayan, yana samar da alamun da ake buƙata.

Siffar daya

Ayyukan da ba a hulɗa da su ba, za a iya yin alama a kan kowane nau'i na musamman, kayan aikin ba zai lalata ba kuma ya haifar da damuwa na ciki, wanda ya dace da alamar karfe, filastik, gilashi, yumbu, itace, fata da sauran kayan.

Siffa ta biyu

Kusan dukkan sassa (kamar pistons, zoben piston, bawuloli, kujerun bawul, kayan aikin hardware, kayan aikin tsafta, kayan lantarki, da sauransu) ana iya yin alama, kuma alamun suna jurewa, tsarin samarwa yana da sauƙin gane sarrafa kansa, kuma sassan da aka yi alama suna da ƙananan nakasu.

Siffar uku

Ana amfani da hanyar tantancewa don yin alama, wato Laser beam ya faru a kan madubai biyu, kuma injin binciken da ke sarrafa kwamfuta yana motsa madubin don juyawa tare da gatari X da Y bi da bi. Bayan an mai da hankali kan katako na Laser, sai ya faɗi akan aikin da aka yi masa alama, ta haka ne ya samar da alamar laser. alama.

 

Fa'idodin Laser codeing

 

01

Ƙaƙwalwar Laser na bakin ciki na musamman bayan mayar da hankali kan Laser kamar kayan aiki ne, wanda zai iya cire kayan saman abu da maki. Halinsa na ci gaba shine cewa tsarin yin alama ba shi da aiki na sadarwa, wanda baya haifar da extrusion na inji ko damuwa na inji, don haka ba zai lalata labarin da aka sarrafa ba; Saboda ƙananan girman laser bayan mayar da hankali, ƙananan yanki da ke fama da zafi, da kuma aiki mai kyau, wasu hanyoyin da ba za a iya cimma su ta hanyar al'ada ba za a iya kammala su.

02

"Kayan aiki" da aka yi amfani da shi wajen sarrafa Laser shine wurin haske da aka mayar da hankali. Ba a buƙatar ƙarin kayan aiki da kayan aiki. Muddin Laser na iya aiki kullum, ana iya sarrafa shi gabaɗaya na dogon lokaci. Gudun sarrafa Laser yana da sauri kuma farashin yana da ƙasa. Ana sarrafa sarrafa Laser ta atomatik ta kwamfuta, kuma ba a buƙatar sa hannun ɗan adam yayin samarwa.

03

Wane irin bayanin da Laser zai iya yiwa alama yana da alaƙa ne kawai da abubuwan da aka tsara a cikin kwamfutar. Muddin tsarin alamar zane da aka ƙera a cikin kwamfutar zai iya gane ta, injin ɗin zai iya dawo da bayanan ƙira daidai gwargwado akan mai ɗaukar hoto mai dacewa. Saboda haka, aikin software a zahiri yana ƙayyade aikin tsarin zuwa babban matsayi.

A cikin Laser aikace-aikace na SMT filin, da Laser alama traceability ne yafi yi a kan PCB, da kuma lalatar Laser na daban-daban raƙuman ruwa zuwa PCB tin masking Layer ba daidai ba.

A halin yanzu, lasers da ake amfani da su a cikin lambar laser sun haɗa da laser fiber, laser ultraviolet, lasers kore da CO2 lasers. Laser da aka saba amfani da su a masana'antar sune Laser UV da CO2 Laser. Fiber Laser da kore Laser ne in mun gwada da m amfani.

 

fiber-optic Laser

Fiber bugun jini Laser yana nufin wani nau'i na Laser samar ta amfani da gilashin fiber doped tare da rare duniya abubuwa (kamar ytterbium) a matsayin riba matsakaici. Yana da wadataccen matakin makamashi mai haske. A zangon pulsed fiber Laser ne 1064nm (daidai da YAG, amma bambanci ne YAG ta aiki abu neodymium) (QCW, ci gaba da fiber Laser yana da hankula kalau na 1060-1080nm, ko da yake QCW ne kuma pulsed Laser, amma ta bugun jini. Tsarin tsararru ya bambanta gaba ɗaya, kuma tsawon zangon kuma daban ne), Laser ne na kusa da infrared. Ana iya amfani da shi don alamar ƙarfe da kayan da ba na ƙarfe ba saboda yawan sha.

Ana samun wannan tsari ta hanyar amfani da tasirin zafi na Laser akan kayan, ko ta hanyar dumama da vaporizing kayan saman don fallasa zurfin yadudduka na launuka daban-daban, ko ta dumama sauye-sauye na zahiri a saman kayan (kamar wasu nanometers, goma nanometers) Grade micro-holes zai haifar da wani baƙar fata tasirin jiki, kuma hasken zai iya zama kadan kadan, yana sa kayan ya zama baƙar fata) kuma aikin da yake nunawa zai canza sosai, ko kuma ta hanyar wasu halayen sinadarai da ke faruwa lokacin zafi da makamashin haske. , zai nuna bayanan da ake buƙata kamar zane-zane, haruffa, da lambobin QR.

 

UV Laser

Ultraviolet Laser Laser ne mai gajeren zango. Gabaɗaya, ana amfani da fasahar ninka mitar mitar don canza hasken infrared (1064nm) da ke fitar da ƙarfi ta Laser zuwa 355nm (mitar sau uku) da 266nm (mitar sau huɗu) hasken ultraviolet. Ƙarfinsa na photon yana da girma sosai, wanda zai iya dacewa da matakan makamashi na wasu nau'o'in sinadarai (ionic bonds, covalent bonds, metal bonds) na kusan dukkanin abubuwan da ke cikin yanayi, kuma kai tsaye ya karya haɗin gwiwar sinadarai, yana haifar da abin da ke haifar da halayen photochemical ba tare da bayyananne ba. Tasirin thermal (nucleus, Wasu matakan makamashi na electrons na ciki na iya ɗaukar photon ultraviolet, sa'an nan kuma canja wurin makamashi ta hanyar girgizar lattice, wanda ya haifar da sakamako na thermal, amma ba a bayyane ba), wanda ke cikin "aiki mai sanyi". Saboda babu wani tasirin zafi na zahiri, ba za a iya amfani da Laser UV don walda ba, ana amfani da shi gabaɗaya don yin alama da yankan daidai.

Ana aiwatar da tsarin alamar UV ta hanyar amfani da halayen photochemical tsakanin hasken UV da kayan don sa launi ya canza. Yin amfani da sigogi masu dacewa na iya guje wa tasirin cirewa a zahiri a saman kayan, kuma ta haka zai iya yin alama da zane-zane da haruffa ba tare da taɓawa ba.

Ko da yake UV Laser na iya yin alama duka biyu karafa da wadanda ba karafa, saboda kudin dalilai, fiber Laser ake amfani da gaba ɗaya alama karfe kayan, yayin da UV Laser ake amfani da alama kayayyakin da bukatar high surface quality da wuya a cimma tare da CO2, forming wani karfe. high-ƙananan wasa tare da CO2.

 

Green Laser

Green Laser kuma Laser ne mai gajeren zango. Gabaɗaya, ana amfani da fasahar ninka mitar mitar don canza hasken infrared (1064nm) da ƙaƙƙarfan Laser ke fitarwa zuwa hasken kore a 532nm (mita biyu). Koren Laser haske ne na bayyane kuma hasken ultraviolet haske ne marar ganuwa. . Green Laser yana da babban makamashi na photon, kuma yanayin sarrafa sanyi yana kama da hasken ultraviolet, kuma yana iya samar da zaɓi iri-iri tare da laser ultraviolet.

Tsarin alamar hasken kore iri ɗaya ne da Laser na ultraviolet, wanda ke amfani da halayen photochemical tsakanin hasken kore da kayan don sa launi ya canza. Yin amfani da ma'auni masu dacewa zai iya kauce wa tasirin cirewa a fili a kan kayan abu, don haka zai iya yin alama ba tare da tabawa ba. Kamar yadda yake da haruffa, gabaɗaya akwai abin rufe fuska na kwano a saman PCB, wanda yawanci yana da launuka masu yawa. Laser kore yana da kyakkyawar amsawa gare shi, kuma zane-zane masu alama suna da haske da laushi.

 

CO2 Laser

CO2 Laser gas ne da aka saba amfani dashi tare da ɗimbin matakan makamashi mai haske. Matsakaicin tsayin laser na yau da kullun shine 9.3 da 10.6um. Laser ne mai infrared mai nisa tare da ci gaba da fitarwa har zuwa dubun kilowatts. Yawancin lokaci ana amfani da laser CO2 mai ƙarancin ƙarfi don kammala babban tsari na Marking don ƙwayoyin cuta da sauran kayan da ba na ƙarfe ba. Gabaɗaya, CO2 Laser ba kasafai ake amfani da su don alamar karafa ba, saboda yawan sha na karafa yana da ƙasa sosai (ana iya amfani da CO2 mai ƙarfi don yanke da walda karafa. Saboda ƙimar sha, ƙimar juyawa ta lantarki, hanyar gani da kiyayewa. da sauran dalilai, an yi amfani da shi a hankali ta hanyar maye gurbin fiber).

Ana aiwatar da tsarin alamar CO2 ta hanyar amfani da tasirin thermal na Laser akan kayan, ko ta hanyar dumama da vaporizing kayan saman don fallasa zurfin yadudduka na kayan launi daban-daban, ko kuma ta hanyar makamashin haske dumama canje-canje na zahiri na zahiri a saman kayan zuwa sanya shi a hankali Gagarumin canje-canje na faruwa, ko wasu halayen sinadarai waɗanda ke faruwa lokacin zafi da makamashin haske, kuma ana nuna zane-zane, haruffa, lambobin girma biyu da sauran bayanan da ake buƙata.

Ana amfani da laser CO2 gabaɗaya a cikin kayan lantarki, kayan aiki, sutura, fata, jakunkuna, takalma, maɓalli, tabarau, magani, abinci, abubuwan sha, kayan kwalliya, marufi, kayan lantarki da sauran filayen da ke amfani da kayan polymer.

 

Laser codeing akan kayan PCB

Takaitaccen bincike na ɓarna

Laser fiber da CO2 lasers duka suna amfani da tasirin thermal na Laser akan kayan don cimma tasirin alama, da gaske suna lalata saman kayan don samar da tasirin ƙin yarda, yayyo launi na baya, da ƙirƙirar ɓarna chromatic; yayin da ultraviolet Laser da koren Laser amfani da Laser zuwa Halin sinadaran na abu ya sa launin kayan ya canza, sa'an nan kuma ba ya haifar da ƙin yarda da sakamakon, kafa graphics da haruffa ba tare da bayyananne taba.