Saurin juye pcb saman jiyya HASL LF RoHS
Ƙayyadaddun samfur:
Tushen Material: | Saukewa: FR4TG140 |
Kauri PCB: | 1.6 +/- 10% mm |
Ƙididdigar Layer: | 2L |
Kaurin Copper: | 1/1 oz |
Maganin saman: | HASL-LF |
Mashin solder: | Fari |
Silkscreen: | Baki |
Tsari na musamman: | Daidaitawa |
Aikace-aikace
Tsarin allo na HASL gabaɗaya yana nufin tsarin kushin HASL, wanda shine suturta tin akan yankin kushin da ke saman allon kewayawa. Yana iya taka rawar anti-lalata da anti-oxidation, da kuma iya ƙara lamba yankin tsakanin kushin da kuma soldered na'urar, da kuma inganta amincin soldering. Takamammen ƙayyadaddun tsari ya haɗa da matakai da yawa kamar tsaftacewa, shigar da sinadarai na tin, jiƙa, da kurkura. Sa'an nan kuma, a cikin wani tsari kamar sayar da iska mai zafi, zai mayar da martani don samar da haɗin gwiwa tsakanin tin da na'ura mai tsauri. Yin feshin kwano a allunan kewayawa tsari ne da aka saba amfani da shi kuma ana amfani da shi sosai a masana'antar kera kayan lantarki.
Gubar HASL da HASL mara gubar fasaha ce ta jiyya ta sama guda biyu waɗanda galibi ana amfani da su don kare abubuwan ƙarfe na allunan kewayawa daga lalata da iskar shaka. Daga cikin su, sinadarin gubar HASL ya ƙunshi 63% tin da 37% gubar, yayin da HASL maras gubar ya ƙunshi tin, jan ƙarfe da wasu abubuwa (irin su azurfa, nickel, antimony, da sauransu). Idan aka kwatanta da HASL mai tushen gubar, bambanci tsakanin HASL mara gubar shine ya fi dacewa da muhalli, saboda gubar abu ne mai cutarwa da ke jefa muhalli da lafiyar ɗan adam. Bugu da ƙari, saboda abubuwa daban-daban da ke ƙunshe a cikin HASL maras gubar, sayar da kayan sa da kayan lantarki sun ɗan bambanta, kuma yana buƙatar zaɓar shi bisa ga takamaiman bukatun aikace-aikacen. Gabaɗaya magana, farashin HASL mara gubar ya ɗan sama sama da na gubar HASL, amma kariyar muhalli da aikin sa ya fi kyau, kuma masu amfani da yawa sun fi son shi.
Domin bin umarnin RoHS, samfuran hukumar da'ira suna buƙatar cika waɗannan sharuɗɗan:
1. Abubuwan da ke cikin gubar (Pb), mercury (Hg), cadmium (Cd), chromium hexavalent (Cr6+), polybrominated biphenyls (PBB) da polybrominated diphenyl ethers (PBDE) ya kamata ya zama ƙasa da ƙayyadaddun ƙimar iyaka.
2. Abubuwan da ke cikin karafa masu daraja kamar bismuth, azurfa, zinariya, palladium, da platinum yakamata su kasance cikin iyakoki masu ma'ana.
3. Abubuwan halogen ya kamata ya zama ƙasa da ƙayyadaddun ƙimar iyaka, ciki har da chlorine (Cl), bromine (Br) da iodine (I).
4. Hukumar kewayawa da abubuwan da ke cikinta yakamata su nuna abun ciki da amfani da abubuwan da suka dace da guba da cutarwa. Abin da ke sama yana ɗaya daga cikin manyan sharuɗɗan allon da'ira don bin umarnin RoHS, amma takamaiman buƙatun suna buƙatar ƙaddara bisa ga ƙa'idodin gida da ƙa'idodi.
FAQs
HASL ko HAL (don iskar zafi (solder) daidaitawa) nau'in gamawa ne da ake amfani da shi akan allunan da'ira (PCBs). Ana tsoma PCB a cikin wanka na narkakkar solder ta yadda duk saman jan karfe da aka fallasa an rufe su da solder. Ana cire abin da ya wuce kima ta hanyar wuce PCB tsakanin wuƙaƙe masu zafi.
HASL (Standard): Yawanci Tin-Lead – HASL (Lead Free): Yawanci Tin-Copper, Tin-Copper-Nickel, ko Tin-Copper-Nickel Germanium. Yawan kauri: 1UM-5UM
Ba ya amfani da Tin-Lead solder. Madadin haka, ana iya amfani da Tin-Copper, Tin-Nickel ko Tin-Copper-Nickel Germanium. Wannan ya sa HASL-Free Lead ya zama zaɓi na tattalin arziki da RoHS mai yarda.
Matsayin saman saman saman iska mai zafi (HASL) yana amfani da gubar a matsayin wani ɓangare na kayan aikin sa, wanda ake ɗaukar cutarwa ga ɗan adam. Ko da yake, Lead-free Hot Air Surface Leveling (LF-HASL) baya amfani da gubar a matsayin gawa na solder, sa shi lafiya ga mutane da kuma muhalli.
HASL yana da tattalin arziki kuma yana da yawa
Yana da kyau kwarai solderability da mai kyau shiryayye rai.