Awọn PCB ti o rọ (Awọn igbimọ Circuit Ti a tẹjade) lo iru awọn ohun elo fun awọn sobusitireti wọn, awọn fẹlẹfẹlẹ adaṣe, alemora, ati ideri. Eyi ni awọn ohun elo ti o wọpọ ti a lo, pẹlu diẹ ninu awọn burandi ati nọmba ọja:
1. PCB rọ Awọn ohun elo sobusitireti(PI, PET)
- Polyimide (PI): Ohun elo sobusitireti ti o wọpọ julọ fun awọn PCB ti o rọ nitori imuduro ooru ti o dara julọ ati agbara ẹrọ.
- Awọn burandi & Awọn awoṣe:
- DuPont: Kapton® (fun apẹẹrẹ, Kapton® HN, Kapton® FN)
- Fujifilm: Fujiflex™ PI
- Island: IS5200 PI
- Awọn burandi & Awọn awoṣe:
- Polyester (PET): Aṣayan ti ifarada diẹ sii, ti a lo nigbagbogbo fun isalẹ si awọn ohun elo aarin-aarin, ṣugbọn pẹlu resistance ooru kekere ni akawe si PI.
- Awọn burandi & Awọn awoṣe:
- Toray: Trevira® PET
- Teijin: Teijin PET
- Awọn burandi & Awọn awoṣe:
- Polyvinyl kiloraidi (PVC)Ti a lo ni igbagbogbo ni awọn PCB ti o rọ ni opin-isalẹ nibiti resistance iwọn otutu giga ko ṣe pataki.
2. PCB rọ Awọn ohun elo imudani
- Bankanje Ejò: Ti a lo fun awọn ipele adaṣe, pese itanna eletiriki fun awọn PCB rọ.
- Awọn burandi & Awọn awoṣe:
- Mitsui Mining & Din: Mitsui Ejò bankanje
- JX Nippon Mining & Awọn irin: Nippon Ejò bankanje
- Sumitomo Electric: Sumitomo Ejò bankanje
- Awọn burandi & Awọn awoṣe:
- Fadaka (Ag) ati wura (Au): Ti a lo ni awọn iwọn-giga tabi awọn ohun elo iṣẹ-giga fun awọn ohun-ini itanna ti o ga julọ ati resistance olubasọrọ kekere.
- Awọn burandi & Awọn awoṣe:
- Herotek: Ag fun awọn ohun elo igbohunsafẹfẹ giga
- AT&S: Bọọlu idẹ ti a fi goolu fun fifẹ-pipe ati giga-igbohunsafẹfẹ
- Awọn burandi & Awọn awoṣe:
3. PCB rọ Awọn ohun elo alamọra
- Resini Ipoti: Commonly lo fun imora Ejò bankanje si awọn sobusitireti, laimu ga agbara ati ti o dara itanna išẹ.
- Awọn burandi & Awọn awoṣe:
- Ede: Araldite® (fun apẹẹrẹ, Araldite® 2020, Araldite® 2030)
- 3M: 3M™ Scotch-Weld™ Iposii alemora DP190
- Awọn burandi & Awọn awoṣe:
- Polyurethane (PU): Nfun ni irọrun ati pe a lo ni diẹ ninu awọn agbegbe otutu-giga.
- Awọn burandi & Awọn awoṣe:
- mu: Loctite® 4090
- Awọn burandi & Awọn awoṣe:
- Awọn akopọ: Lo fun awọn ohun elo to nilo akoyawo tabi pato ayika resistance.
- Awọn burandi & Awọn awoṣe:
- Dymax: Dymax 1000
- Awọn burandi & Awọn awoṣe:
4. PCB rọ Ibori
- Fiimu Polyurethane: Ti a lo nigbagbogbo bi Layer aabo lati jẹki resistance resistance, resistance ifoyina, ati idabobo.
- Awọn burandi & Awọn awoṣe:
- DuPont: Kapton® (fun awọn ohun elo iwọn otutu giga)
- 3MFiimu Polyester 3M™
- Awọn burandi & Awọn awoṣe:
Yiyan awọn ohun elo da lori iṣẹ PCB ti a beere, awọn ipo ayika, ati awọn idiyele idiyele. Fun apẹẹrẹ, awọn sobusitireti Kapton® PI ni a lo nigbagbogbo ni iwọn otutu giga, awọn agbegbe lile, lakoko ti awọn sobusitireti PET jẹ idiyele-doko diẹ sii fun awọn ohun elo opin-kekere.
Ma ṣe ṣiyemeji lati kan si wa ti o ba ni ibeere eyikeyi nipa Circuit rọ. Atẹle ṣe afihan paramita iṣẹ ati awọn iwe data ti diẹ ninu awọn ohun elo fun PCB rọ. Tẹ orukọ ohun elo ti o le wo iwe data pdf.
| Ohun elo fun rọ PCBs | Niyanju max. iwọn otutu sisẹ | Irú bàbà | Tg | �r, Dk- Igbanilaaye | CTE-z (T | Ina okun | dada resistivity | Peeli agbara |
|---|---|---|---|---|---|---|---|---|
| ° C | * | ° C | @ 1MHz | ppm/° C | KV / mm | MΩ | N / mm | |
| Polyimide + alemora | ||||||||
| Shengyi SF305 | 105 ° | Ejò ti yiyi | - | 3,6 | 21 | - | 1x10^5 | 1,1 |
| Polyimide | ||||||||
| DuPont Pyralux AP | 180 ° | Ejò ti yiyi | 220 | 3,4 | 25 | 256 | 1x10^10 | 1.8 |
| Panasonic RF775 | 130 ° | Electrolytically idogo Coppe | 343 | 3,2 | - | 276 | 1x10^8 | 1,7 |
| Thinflex W-05050 | 105 ° | Electrolytically idogo Coppe | 350 | 3,3 | 24 | 216 | 1x10^5 | 0.6 |
| PI Ideri | ||||||||
| Shengyi SF305 | 105 ° | - | - | - | - | - | 3x10^6 | - |
| DuPont Pyralux FR | 180 ° | - | - | 3.5 | - | 138 | 1x10^7 | - |
| Teepu alemọra | ||||||||
| 3M ọdun 9077 | 150 ° | - | - | - | - | - | - | - |
