Tin plating na-enye "ihe agha ọla siri ike" makafoil ọla kọpa, na-egbutu nguzozi zuru oke n'etiti solderability, nguzogide corrosion, na arụmọrụ ọnụ ahịa. Edemede a na-akụda ka foil ọla kọpa nwere agba agba siri bụrụ ihe bụ isi maka ndị ahịa na ngwa eletrọnịkị. Ọ na-egosipụta isi usoro njikọ atọmịk, usoro ọhụrụ, na ngwa eji emecha eme ihe, mgbe ọ na-enyochaCIVEN METALỌganihu na teknụzụ tin plating.
1. Uru atọ dị mkpa nke Tin Plating
1.1 Ntuli elu nke Quantum n'ịrụ ọrụ ire ere
Oghere tin (ihe dị ka 2.0μm gbara ọkpụrụkpụ) na-agbanwe ire ere n'ọtụtụ ụzọ:
- Ịzụ ahịa dị ala: Tin na-agbaze na 231.9°C, na-ebelata okpomọkụ nke ire ere site na ọla kọpa 850°C ruo naanị 250-300°C.
- Mwepu nke ọma: Mgbagwoju anya elu nke Tin na-ada site na ọla kọpa 1.3N/m ruo 0.5N/m, na-abawanye ebe mgbasa nke solder site na 80%.
- IMC kachasị mma (Mgbakọ Intermetallic): Cu₆Sn₅/Cu₃Sn gradient oyi akwa na-abawanye ike shiee ruo 45MPa (ịzụ ọla kọpa na-enweta naanị 28MPa).
1.2 Nguzogide corrosion: “Ihe mgbochi na-agbanwe agbanwe”
| Ihe nrụrụaka | Oge ọdịda ọla kọpa efu | Oge ọdịda ọla kọpa Tin-plated | Ihe nchekwa |
| Igwe ụlọ ọrụ mmepụta ihe | Ọnwa isii (nchara akwụkwọ ndụ akwụkwọ ndụ) | Afọ 5 (oke ibu <2%) | 10x |
| Corrosion ọsụsọ (pH=5) | 72 awa (perforation) | 1,500 awa (enweghị mmebi) | 20x |
| Hydrogen sulfide corrosion | 48 awa (agba ojii) | 800 awa (enweghị discoloration) | 16x |
1.3 Nrụ ọrụ: Atụmatụ “Micro-àjà”
- Nguzogide eletrik na-abawanye ntakịrị, site na 12% (1.72 × 10⁸ ruo 1.93 × 10⁻⁸ Ω·m).
- Mmetụta akpụkpọ ahụ na-akawanye mma: Na 10GHz, omimi akpụkpọ ahụ na-abawanye site na 0.66μm ruo 0.72μm, na-ebute nkwụsị ntinye ntinye nke naanị 0.02dB/cm.
2. Usoro ihe ịma aka: "Ịcha vs. Plating"
2.1 Mwepu zuru oke (ịcha tupu etinye akwa)
- Uru: A na-ekpuchi akụkụ nke ọma, na-enweghị ọla kọpa ekpughere.
- Ihe ịma aka nka nka:
- A ga-achịkwa Burrs n'okpuru 5μm (usoro ọdịnala gafere 15μm).
- Plating ngwọta ga-abanyerịrị karịa 50μm iji hụ na mkpuchi ihu otu.
2.2 Plating tupu ebibie (ikwasa tupu ebibie)
- Ọnụ uru: Na-abawanye arụmọrụ nhazi site na 30%.
- Okwu ndị dị mkpa:
- Akụkụ ọla kọpa ekpughere sitere na 100-200μm.
- Ndụ ịgba nnu na-ebelata site na 40% (site na awa 2,000 ruo awa 1,200).
2.3CIVEN METALỤzọ ''Enweghị ntụpọ''s
Na-ejikọta nkenke laser nkenke na plating tin pulse:
- Ịcha nke ọma: A na-edebe Burrs n'okpuru 2μm (Ra = 0.1μm).
- Ihe mkpuchi Edgee: Akụkụ plating ọkpụrụkpụ ≥0.3μm.
- Ọnụ-arụmọrụ: Ọ na-efu 18% dị ala karịa usoro plating zuru oke nke ọdịnala.
3. CIVEN METALTin-EfereỌla kọpa: Alụmdi na Nwunye Sayensị na Aesthetics
3.1 Njikwa ziri ezi nke mkpuchi mkpuchi
| Ụdị | Usoro usoro | Atụmatụ igodo |
| Tin na-egbuke egbuke | Njupụta ugbu a: 2A/dm², mgbakwunye A-2036 | Ntụleghachi>85%, Ra=0.05μm |
| Matte Tin | Njupụta dị ugbu a: 0.8A/dm², enweghị mgbakwunye | Ntụleghachi <30%, Ra=0.8μm |
3.2 Metrics arụmọrụ kachasị elu
| Metric | Nkezi ụlọ ọrụ |CIVEN METALỌla kọpa Tin-Pated | Mmelite |
| Mgbawa Ọkpụrụkpụ mkpuchi (%) | ± 20 | ±5 | -75% |
| Ọnụego efu (%) | 8–12 | ≤3 | -67% |
| Bend Nguzogide ( okirikiri) | 500 (R=1mm) | 1,500 | +200% |
| Uto Tin Whisker (μm/1,000h) | 10–15 | ≤2 | -80% |
3.3 Mpaghara Ngwa
- FPCs Smartphone: Matte tin (ọkpụrụkpụ 0.8μm) na-eme ka ọ kwụsie ike maka ahịrị 30μm / oghere.
- Ụgbọ ala ECUs: Tin na-egbuke egbuke na-eguzogide 3,000 thermal cycles (-40°C↔+125°C) na-enweghị ihe nkwonkwo solder.
- Igbe njikọ fotovoltaic: Tin plating nke nwere akụkụ abụọ (1.2μm) na-enweta nguzogide kọntaktị <0.5mΩ, na-abawanye arụmọrụ site na 0.3%.
4. Ọdịnihu nke Tin Plating
4.1 Mkpuchi Nano-Mkpokọta
Na-etolite Sn-Bi-Ag ternary alloy mkpuchi:
- Ebe mgbaze dị ala ruo 138ºC (dị mma maka elektrọnik na-agbanwe obere okpomọkụ).
- Na-akwalite nguzogide nrapu site na 3x (karịa awa 10,000 na 125°C).
4.2 Green Tin Plating Revolution
- Ngwọta Cyanide-efu: Na-ebelata COD mmiri mkpofu site na 5,000mg/L ruo 50mg/L.
- Ọnụego mgbake dị elu: Karịrị 99.9%, ịbelata usoro na-efu site na 25%.
Tin plating na-agbanwefoil ọla kọpasite na onye nduzi bụ isi gaa na "ihe nwere ọgụgụ isi interface."CIVEN METALUsoro nhazi ọkwa atọmịk na-akwalite ntụkwasị obi na nkwụghachi gburugburu ebe obibi nke foil ọla kọpa nwere tin ruo elu ọhụrụ. Dika igwe eletrọnịkị nke ndị ahịa na-ebelata na ngwa elektrọnikị ụgbọ ala na-achọ ntụkwasị obi dị elu,foil ọla kọpa tin-platedna-aghọ isi nkuku nke njikọta mgbanwe.
Oge nzipu: Mee-14-2025