Ọla kọpa Rolled agafeghị oke: Ịmepụta nka nke "ọta nchekwa corrosion" na nguzozi arụmọrụ.

Passivation bụ isi usoro na mmepụta nke akpọrepufoil ọla kọpa. Ọ na-arụ ọrụ dị ka "ọta-larịị molekul" n'elu, na-eme ka nguzogide corrosion na-eme ka ọ dịkwuo mma ma jiri nlezianya na-edozi mmetụta ya na ihe ndị dị mkpa dị ka conductivity na solderability. Edemede a na-enyocha sayensị n'azụ usoro ngafe, azụmaahịa arụmọrụ, na omume injinia. IjiCIVEN METALỌganihu dị ka ọmụmaatụ, anyị ga-enyocha uru ya pụrụ iche n'ichepụta ngwá electronic dị elu.

1. Passivation: A "Molecular-Level Shield" maka ọla kọpa

1.1 Otu esi eme oyi akwa Passivation
Site na ọgwụgwọ kemịkalụ ma ọ bụ electrochemical, kọmpat oxide oyi akwa 10-50nm na-etolite n'elu.foil ọla kọpa. Ihe mejupụtara ya bụ Cu₂O, CuO, na ogige organic, oyi akwa a na-enye:

• Ihe mgbochi anụ ahụ:Ọnụọgụ mgbasa ikuku oxygen na-agbada ruo 1 × 10⁻¹⁴ cm²/s (site na 5 × 10⁻⁻ cm²/s maka ọla kọpa efu).
• Nfefe nke Electrochemical:Njupụta corrosion ugbu a na-ada site na 10μA/cm² ruo 0.1μA/cm².
• Ike kemịkalụ:A na-ebelata ike ikuku dị n'elu site na 72mJ/m² ruo 35mJ/m², na-egbochi omume mmeghachi omume.

1.2 Uru ise dị mkpa nke ngafe

2. "Mma agha nwere ihu abụọ" nke Passivation Layers - yana otu esi edozi ya.

2.1 Ịtụle ihe ize ndụ

• Obere Mbelata na Nrụ Ọrụ:Okpokoro passivation na-abawanye omimi anụ ahụ (na 10GHz) site na 0.66μm ruo 0.72μm, mana site na idebe ọkpụrụkpụ n'okpuru 30nm, mmụba resistivity nwere ike ịbụ naanị n'okpuru 5%.
• Ihe ịma aka ịre ahịa:Ike elu ala na-abawanye akụkụ wetting solder site na 15° ruo 25°. Iji pastes solder na-arụ ọrụ (ụdị RA) nwere ike imebi mmetụta a.
• Okwu adhesion:Resin bonding ike nwere ike ịdaba 10-15%, nke enwere ike ibelata site na ijikọta roughening na ngafe usoro.

2.2CIVEN METAL's itule uzo

Teknụzụ ngafe gradient:

• Isi oyi akwa:Uto kemịkalụ nke 5nm Cu₂O nwere nghazi (111) họọrọ.
• Okirikiri etiti:Ihe nkiri 2–3nm benzotriazole (BTA) ejikọtara onwe ya.
• oyi akwa dị n'èzí:Onye na-ahụ maka njikọta nke Silane (APTES) iji kwalite nrapado resin.

Nsonaazụ arụmarụ kachasị:

3. CIVEN METALTeknụzụ ngafe nke 's: Na-akọwapụta ụkpụrụ nchekwa

3.1 Sistemụ nchekwa nke agba anọ

1. Njikwa oxide dị mkpa:Pulse anodization na-enweta nha nha n'ime ± 2nm.
2. Ngwakọta ngwakọ Organic-Inorganic:BTA na silane na-arụkọ ọrụ ọnụ iji belata ọnụ ọgụgụ corrosion ruo 0.003mm / afọ.
3. Ọgwụgwọ ịgbalite elu:Plasma ihicha (Ar/O₂ gas mix) na-eweghachi akụkụ wetting solder ruo 18º.
4. Nleba anya oge:Ellipsometry na-eme ka ọkpụrụkpụ oyi akwa passivation n'ime ± 0.5nm.

3.2 Nkwado gburugburu ebe obibi

• Oke iru mmiri na okpomọkụ:Mgbe awa 1,000 gachara na 85°C/85% RH, nguzogide elu na-agbanwe ihe na-erughị 3%.
• Igwe ọkụ ọkụ:Mgbe 200 okirikiri nke -55°C ruo +125°C, ọ dịghị cracks na-apụta na passivation oyi akwa (SEM kwadoro).
• Nguzogide kemịkalụ:Nguzogide 10% HCl vapo na-abawanye site na nkeji 5 ruo nkeji 30.

3.3 Ndakọrịta n'ofe ngwa

• Antenna ebili mmiri 5G:Mfu ntinye 28GHz belatara ka ọ bụrụ naanị 0.17dB/cm (tụnyere 0.21dB/cm ndị asọmpi).
• Eletrọnịkị ụgbọ ala:Na-agafe ule ịsa nnu nnu ISO 16750-4, yana ogologo okirikiri ruo 100.
• Ngwa IC:Ike njigide na resin ABF ruru 1.8N/cm (nkezi ụlọ ọrụ: 1.2N/cm).

4. Ọdịnihu nke teknụzụ Passivation

4.1 Atomic Layer Deposition (ALD) Teknụzụ
Na-emepe ihe nkiri passivation nanolaminate dabere na Al₂O₃/TiO₂:

• Ọkpụrụkpụ:<5nm, yana mmụba resistivity ≤1%.
• CAF (Conductive Anodic Filament) Nguzogide:5x nkwalite.

4.2 Mpempe akwụkwọ ngafe na-agwọ onwe ya
Na-ejikọta microcapsule corrosion inhibitors (ihe mmepụta benzimidazole):

• Ịrụ ọrụ ọgwụgwọ onwe:Ihe karịrị 90% n'ime awa 24 mgbe ọkọchasịrị.
• Ndụ ọrụ:Agbatịkwara afọ 20 (tụnyere ọkọlọtọ 10-15 afọ).

Mmechi:
Ọgwụgwọ ngafe na-enweta nguzozi a nụchara anụcha n'etiti nchekwa na arụmọrụ maka mpịakọtafoil ọla kọpa. Site na ohuru ohuru.CIVEN METALna-ebelata njedebe ngafe, na-atụgharị ya ka ọ bụrụ "agha a na-adịghị ahụ anya" nke na-akwalite ntụkwasị obi ngwaahịa. Ka ụlọ ọrụ eletrọnịkị na-aga n'ihu na njupụta dị elu na ntụkwasị obi, ngafe ziri ezi na nke a na-achịkwa aghọwo isi nkuku nke imepụta foil ọla kọpa.