Te parakore o te waikura Tantalum (V) (Ta2O5, tantalum pentoxide rānei) 99.99% Cas 1314-61-0
| Tantalum Pentoxide | |
| Ngā kupu taurite: | Tantalum(V) oxide, Ditantalum pentoxide |
| Tau CAS | 1314-61-0 |
| Tātai matū | Ta2O5 |
| Papatipu molar | 441.893 karamu/mol |
| Āhua | paura mā, kore kakara |
| Kiato | β-Ta2O5 = 8.18 karamu/cm3, α-Ta2O5 = 8.37 karamu/cm3 |
| Te pūwāhi rewa | 1,872 °C (3,402 °F; 2,145 K) |
| Te wairewatanga i roto i te wai | iti noa iho |
| Te wairewatanga | kāore e rewa i roto i ngā whakarewa waro me te nuinga o ngā waikawa kohuke, ka tauhohe ki te HF |
| Āputa roopu | 3.8–5.3 eV |
| Te ātete aukume (χ) | −32.0×10−6 cm3/mol |
| Taupū whakaata (nD) | 2.275 |
Whakatakotoranga Matū Tantalum Pentoxide Parakore Teitei
| Tohu | Ta2O5(%min) | Whāriki Ke.≤ppm | LOI | Rahi | ||||||||||||||||
| Nb | Fe | Si | Ti | Ni | Cr | Al | Mn | Cu | W | Mo | Pb | Sn | Al+Ka+Li | K | Na | F | ||||
| UMTO4N | 99.99 | 30 | 5 | 10 | 3 | 3 | 3 | 5 | 3 | 3 | 5 | 5 | 3 | 3 | - | 2 | 2 | 50 | 0.20% | 0.5-2µm |
| UMTO3N | 99.9 | 3 | 4 | 4 | 1 | 4 | 1 | 2 | 10 | 4 | 3 | 3 | 2 | 2 | 5 | - | - | 50 | 0.20% | 0.5-2µm |
Tākai: I roto i ngā pūtu rino me te kirihou takirua hiri o roto.
He aha te whakamahinga o ngā Tantalum Oxides me ngā Tantalum Pentoxides?
Ngā wāhanga tono matua
1. Ngā rauemi mahi hiko
1. Papa Tātari Ngaru Oro Mata (SAW):
- Ko te rauemi matua mō te hanga tioata takitahi lithium tantalate (LiTaO₃), e whakamahia ana hei hanga tātari auau reo irirangi mō ngā taputapu whakawhitiwhiti kōrero pūkoro
- Ngā tono pūrua: waea atamai/papa (tautoko roopu 5G), ngā kōwae GPS, ngā mita atamai IoT
- Painga mahi: pumau auau ±0.5ppm (-40℃ ki te +85℃)
2. Ngā Pūmua Ārahi-Haumaru:
- Rauemi mata hangai o te tantalum carbide (TaC): mō te paninga taputapu tino mārō (mārō iti ≥ 2200 HV)
- Whāinga pupuhi: Te whakatakotoranga paparanga hikohiko o te pūnga DRAM (pūmau hikohiko εr = 25-30)
2. Hangarau Whatu
1. Pūnaha whatu kounga teitei:
- Whakarei ake i te taupū whakaata: Whakanuia te taupū whakaata o te karāhe whatu ki te nd=1.75-2.20 (400-700nm)
- Paninga mimiti iti: Te whakarite i te kiriata ārai-whakaata (tau whakamōmona k<0.001@550nm)
2. Ngā tono muka motuhake:
- Ngā tāpiringa muka Bragg Grating: Whakapai ake i te aro ki te pāmahana ki te 15pm/°C
- Ngā wāhanga whatu whero-whero: Te tuku i roto i te roopu waenga-whero 3-5μm > 92%
3. Te Whakaoho me te Whakarerekētanga Ahumahi
1. Te Whakakorikori Matū:
- Whakakōkī epoxidation olefin: tere tahuritanga > 95% (tauhohenga moenga pumau)
- Kaiwhakaoho whakaahua mō te hanga hauwai mai i te wai (whakakotahitanga me te CdS)
2. Te whakarerekētanga rauemi:
- Ngā tāpiringa koranu ātete-waikura: Whakapai ake i te ātete waikura o ngā koranu nikara i te 1100°C
- Wāhanga whakapakari uku: Kua piki ake te pakari o te pakaru o ngā rauemi whakarewa-alumina mā te 40%
| rawa | Awhe tawhā | Ngā paerewa whakamātautau |
| Te taumata parakore | Taumata hiko: 99.95%-99.999% | ICP-MS GB/T 26008 |
| Hanganga karaihe | Wāhanga Orthorhombic/wāhanga amorphous (whiringa) | XRD ISO 20203 |
| Te tohatoha rahi o te matūriki | D50: 0.5-10μm (ka taea te whakarite i te nanoscale) | SEM ISO 13322-1 |
| Ngā āhuatanga hiko-kore | Te kaha o te papa pakaru >600kV/cm | IEC 60270 |
| Te pumau o te wera | Te pūwāhi rewa: 1872℃±10℃ | DSC ISO 1135 7 |
Haumarutanga me te Whakatutukitanga
Whakarōpūtanga Kawe: KĀORE-MŌREAREA (kāore e tika te nama UN)
Ngā whakaritenga rokiroki: taiao maroke i te pāmahana rūma, karohia te pa atu ki te waikawa kaha
Tiwhikete taiao:
- E tutuki ana i te RoHS 3.0 Directive (2015/863/EU)
- Ngā matū kāore i te rārangihia i raro i te REACH SVHC
- Te Whakatutuki i te Kaupapahere Taupatupatu Kohuke (CMRT 6.0)
Mana Kounga
1. Ngā Paerewa Whakatauranga:
- Taumata whatu: ISO 10110-7 taumata A
- Taumata hiko: Mana whakahaere paru whakarewa SEMI C8.1
2. Taurangi whakamātautau:
- Whakaratohia he pūrongo tātaritanga huānga XRF mō ia puranga
- Te kimi i te horahanga mata BET (0.5-10m²/g ka taea te whakarite)
- Te tirotiro i ngā irahiko irirangi (U/Th < 1 ppb)
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Ngā take tono noa
- E whakamahi ana tētahi kaihanga tātari teihana turanga 5G i te Ta₂O₅ hiko-whakakotahi, e whakaiti ana i te ngaronga whakaurunga ki te 1.2dB (roopu 3.5GHz)
- High-end camera lens manufacturers use optical-grade products to achieve a refractive index of nd=2.15@587.6nm
Ngā mea hei mōhio
• Me tutuki te whakahaerenga o te paura nano i ngā paerewa tiaki manawa ISO 13137
• E taunakihia ana ngā oko korundum mō ngā tono whakamahana pāmahana teitei
• Me whakahaere e ngā paninga whatu te tere whakatakotoranga ki raro iho i te 0.5nm/s
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E hangai ana tēnei whakaahuatanga ki ngā āhuatanga whānui o te tantalum pentoxide. Kei raro i te COA (pūrongo tirotiro kounga) ngā tawhā motuhake.
Ka taea te whakarato i ngā otinga hangarau ritenga mō ngā āhua motuhake (ngā paura nano/ngā ūnga pupuhi/ngā papa tioata kotahi).
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