Tin plating yana ba da “mƙarar ƙarfe sulke” dontsare tagulla, Yana ɗaukar cikakkiyar ma'auni tsakanin solderability, juriya na lalata, da ƙimar farashi. Wannan labarin ya rushe yadda foil ɗin tagulla mai kwano ya zama ainihin abu ga mabukaci da na'urorin lantarki. Yana haskaka mahimman hanyoyin haɗin gwiwar atomic, sabbin matakai, da aikace-aikacen amfani na ƙarshe, yayin bincikeCVEN METAL's ci gaban da tin plating fasahar.
1. Muhimman Fa'idodi guda uku na Tin Plating
1.1 Juyin Juya Juyin Halitta a Ayyukan Siyarwa
Tin Layer (kimanin kauri 2.0μm) yana jujjuya siyarwa ta hanyoyi da yawa:
- Siyar da ƙarancin zafin jiki: Tin yana narkewa a 231.9°C, yana rage yawan zafin da ake siyarwa daga jan karfe 850°C zuwa 250-300°C kawai.
- Inganta Wetting: Tashin saman Tin yana fadowa daga 1.3N/m na jan karfe zuwa 0.5N/m, yana haɓaka yanki mai yaɗuwa da 80%.
- Ingantattun IMCs (Haɗin tsaka-tsakin tsaka-tsakin): Cu₆Sn₅/Cu₃Sn gradient Layer yana ƙara ƙarfin ƙarfi zuwa 45MPa (sallar jan ƙarfe mara nauyi yana samun 28MPa kawai).
1.2 Juriya na Lalacewa: “Tsarin Kaya”
| Labarin Lalacewa | Bare Copper Failure Time | Lokacin gazawar Copper Tin-Plated | Factor Kariya |
| Yanayin Masana'antu | Wata 6 (koren tsatsa) | Shekaru 5 (rashin nauyi <2%) | 10x |
| Lalacewar gumi (pH=5) | 72 hours (perforation) | Awanni 1,500 (babu lalacewa) | 20x |
| Lalacewar Hydrogen Sulfide | Awanni 48 (baki) | 800 hours (ba discoloration) | 16x |
1.3 Haɓakawa: Dabarar “Karamin Hadaya”.
- Rashin ƙarfin lantarki yana ƙaruwa kaɗan kaɗan, ta 12% (1.72 × 10⁸ zuwa 1.93 × 10⁻⁸ Ω·m).
- Tasirin fata yana inganta: A 10GHz, zurfin fata yana ƙaruwa daga 0.66μm zuwa 0.72μm, yana haifar da asarar shigar da haɓakar kawai 0.02dB/cm.
2. Kalubalen Tsari: "Yanke vs. Plating"
2.1 Cikakkiyar Rushewa (Yanke Kafin Ajiyewa)
- Abvantbuwan amfãni: An rufe gefuna cikakke, ba tare da fallasa jan ƙarfe ba.
- Kalubalen Fasaha:
- Dole ne a sarrafa Burrs a ƙasa da 5μm (tsarin al'ada ya wuce 15μm).
- Maganin plating dole ne ya shiga sama da 50μm don tabbatar da ɗaukar hoto iri ɗaya.
2.2 Plating Bayan Yanke (Plating Kafin Yanke)
- Fa'idodin Kuɗi: Yana haɓaka aikin sarrafawa da 30%.
- Matsalolin Mahimmanci:
- Gefen jan ƙarfe da aka fallasa sun bambanta daga 100-200μm.
- Rayuwar feshin gishiri ta ragu da kashi 40% (daga awanni 2,000 zuwa awanni 1,200).
2.3CVEN METALHanyar "Zero-Defect" Hanyar
Haɗa daidaitaccen yankan Laser tare da plating tin bugun jini:
- Yanke Daidaito: Burrs ana kiyaye shi ƙarƙashin 2μm (Ra=0.1μm).
- Edge Coverage: Side plating kauri ≥0.3μm.
- Tasirin Kuɗi: Kudinsa 18% ƙasa da na gargajiya cikakken hanyoyin plating.
3. CVEN METALTin-PlatedTakardun Tagulla: Auren Kimiyya da Kyawun Kaya
3.1 Madaidaicin Sarrafar Kwayoyin Halitta
| Nau'in | Ma'aunin Tsari | Mabuɗin Siffofin |
| Hasken Tin | Yawan halin yanzu: 2A/dm², ƙari A-2036 | Tunani> 85%, Ra=0.05μm |
| Matte Tin | Girman halin yanzu: 0.8A/dm², babu ƙari | Tunani <30%, Ra=0.8μm |
3.2 Maɗaukakin Ma'aunin Ayyuka
| Metric | Matsakaicin Masana'antu |CVEN METALTin-Plated Copper | Inganta |
| Rufe Kauri (%) | ± 20 | ± 5 | -75% |
| Ƙididdigar Ƙarfin Soja (%) | 8–12 | ≤3 | -67% |
| Lanƙwasawa Resistance (cycles) | 500 (R=1mm) | 1,500 | + 200% |
| Girman Tin Whisker (μm/1,000h) | 10–15 | ≤2 | -80% |
3.3 Maɓalli Yankunan Aikace-aikace
- Smartphone FPCs: Matte tin (kauri 0.8μm) tabbatar da barga soldering for 30μm line / tazara.
- Motocin ECUsTin mai haske yana jure 3,000 thermal cycles (-40°C↔+125°C) ba tare da gazawar haɗin gwiwa ba.
- Akwatunan Junction na Photovoltaic: Plating tin mai gefe biyu (1.2μm) yana samun juriya na lamba <0.5mΩ, yana haɓaka haɓaka ta 0.3%.
4. Makomar Plating Tin
4.1 Nano-Composite Coatings
Haɓaka Sn-Bi-Ag ternary alloy coatings:
- Ƙananan ma'aunin narkewa zuwa 138 ° C (manufa don ƙananan zafin jiki mai sauƙi na lantarki).
- Yana haɓaka juriya mai raɗaɗi da 3x (sama da awanni 10,000 a 125°C).
4.2 Koren Plating Juyin Juya Hali
- Magani-Free Cyanide: Yana rage COD daga ruwan sha daga 5,000mg/L zuwa 50mg/L.
- Babban Tin Farko Rate: Sama da 99.9%, farashin aiwatar da yankewa da kashi 25%.
Tin plating yana canzawatsare tagulladaga ainihin madugu zuwa "kayan dubawa mai hankali."CVEN METALSarrafa matakan sarrafa atomic yana tura aminci da juriyar muhalli na foil ɗin jan karfe da aka yi da tin zuwa sabon tsayi. Kamar yadda kayan lantarki na mabukaci ke raguwa da na'urorin lantarki na kera motoci suna buƙatar ingantaccen aminci,gwangwani-plated tagullayana zama ginshiƙin juyin juya halin haɗin kai.
Lokacin aikawa: Mayu-14-2025