Ifihan to PCB sobusitireti

Sọri ti sobsitireti

Awọn ohun elo sobusitireti igbimọ gbogbogbo le pin si awọn ẹka meji: awọn ohun elo sobusitireti ti kosemi ati awọn ohun elo sobusitireti rọ.Iru pataki ti ohun elo sobusitireti kosemi gbogbogbo jẹ laminate agbada idẹ.O ti ṣe ti Reinforeing Material, impregnated pẹlu resini Asopọmọra, ti o gbẹ, ge ati laminated sinu òfo, ki o si bo pelu Ejò bankanje, lilo irin dì bi a m, ati ni ilọsiwaju nipasẹ ga otutu ati ki o ga titẹ ni kan gbona tẹ.Gbogbogbo multilayer ologbele-iwosan dì, ti wa ni Ejò agbada ni isejade ilana ti ologbele-pari awọn ọja (okeene gilasi asọ sinu resini, nipasẹ gbigbe processing).

Awọn ọna isọri oriṣiriṣi wa fun laminate agbada idẹ.Ni gbogbogbo, ni ibamu si awọn oriṣiriṣi awọn ohun elo imuduro ti igbimọ, o le pin si awọn ẹka marun: ipilẹ iwe, ipilẹ aṣọ fiber gilasi, ipilẹ akojọpọ (jara CEM), ipilẹ igbimọ multilayer laminated ati ipilẹ ohun elo pataki (awọn ohun elo amọ, ipilẹ mojuto irin, ati be be lo).Ti o ba ti ọkọ lo nipa orisirisi resini adhesives fun classification, awọn wọpọ iwe – orisun CCI.O wa: resini phenolic (XPc, XxxPC, FR 1, FR 2, ati bẹbẹ lọ), resini epoxy (FE 3), resini polyester ati awọn iru miiran.CCL ti o wọpọ jẹ resini epoxy (FR-4, FR-5), eyiti o jẹ iru aṣọ okun gilasi ti a lo julọ julọ.Ni afikun, awọn resini pataki miiran wa (aṣọ gilaasi gilaasi, okun polyamide, aṣọ ti ko hun, ati bẹbẹ lọ, bi awọn ohun elo ti a fi kun) : bismaleimide modified trizine resin (BT), resin polyimide (PI), diphenyl ether resin (PPO), maleic anhydride imide — styrene resini (MS), polycyanate ester resini, polyolefin resini, ati be be lo.

Gẹgẹbi iṣẹ imuduro ina ti CCL, o le pin si iru imuduro ina (UL94-VO, UL94-V1) ati iru imuduro ti kii-iná (Ul94-HB).Ni awọn ọdun 12 ti o ti kọja, bi a ti san ifojusi diẹ sii si aabo ayika, iru titun CCL ti ina-retardant lai bromine ti yapa, eyi ti a le pe ni "CCL ti ina-afẹfẹ alawọ ewe".Pẹlu idagbasoke iyara ti imọ-ẹrọ ọja itanna, cCL ni awọn ibeere iṣẹ ṣiṣe ti o ga julọ.Nitorinaa, lati isọdi iṣẹ CCL, ati pin si iṣẹ ṣiṣe gbogbogbo, CCL kekere dielectric, resistance ooru giga CCL (awọ gbogbogbo L ni 150 ℃ loke), alasọdipúpọ igbona kekere CCL (gbogbo lo lori sobusitireti apoti) ati awọn iru miiran .

Standard ti imuse sobusitireti

Pẹlu idagbasoke ati ilọsiwaju ilọsiwaju ti imọ-ẹrọ itanna, awọn ibeere tuntun ni a gbe siwaju nigbagbogbo fun awọn ohun elo sobusitireti igbimọ ti a tẹjade, nitorinaa lati ṣe agbega idagbasoke ilọsiwaju ti awọn ajohunše awo awo Ejò.Lọwọlọwọ, awọn iṣedede akọkọ fun awọn ohun elo sobusitireti jẹ atẹle.
1) Awọn Ilana ti Orilẹ-ede fun Awọn sobusitireti Lọwọlọwọ, Awọn iṣedede orilẹ-ede fun awọn sobusitireti ni Ilu China pẹlu GB/T4721 — 4722 1992 ati GB 4723 — 4725 — 1992. Iwọnwọn fun awọn laminates agbada bàbà ni agbegbe Taiwan ti China jẹ boṣewa CNS, eyiti o da lori lori boṣewa JIs Japanese ati pe o ti gbejade ni ọdun 1983.

Pẹlu idagbasoke ati ilọsiwaju ilọsiwaju ti imọ-ẹrọ itanna, awọn ibeere tuntun ni a gbe siwaju nigbagbogbo fun awọn ohun elo sobusitireti igbimọ ti a tẹjade, nitorinaa lati ṣe agbega idagbasoke ilọsiwaju ti awọn ajohunše awo awo Ejò.Lọwọlọwọ, awọn iṣedede akọkọ fun awọn ohun elo sobusitireti jẹ atẹle.
1) Awọn Ilana ti Orilẹ-ede fun Awọn sobusitireti Lọwọlọwọ, awọn iṣedede orilẹ-ede China fun awọn sobusitireti pẹlu GB/T4721 — 4722 1992 ati GB 4723 — 4725 — 1992. Idiwọn fun awọn laminate agbada Ejò ni agbegbe Taiwan ti Ilu China jẹ boṣewa CNS, eyiti o da lori Iwọn JIs Japanese ati pe o ti gbejade ni ọdun 1983.
2) Awọn iṣedede orilẹ-ede miiran pẹlu boṣewa JIS Japanese, ASTM Amẹrika, NEMA, MIL, IPC, ANSI ati boṣewa UL, boṣewa Bs Ilu Gẹẹsi, German DIN ati boṣewa VDE, Faranse NFC ati boṣewa UTE, boṣewa CSA Kanada, boṣewa AS Australia, boṣewa FOCT ti Soviet Union atijọ, ati boṣewa IEC agbaye

Idiwọn akojọpọ orukọ boṣewa orilẹ-ede ni tọka si bi ẹka ti agbekalẹ orukọ boṣewa
JIS- Japan Industrial Standard - Japan Specification Association
ASTM- American Society for Laboratory Materials Standards - American Society fof Testi 'ng ati Awọn ohun elo
NEMA- National Association of Electrical Manufactures Standard -Nafiomll Electrical Manufactures
MH- Awọn Ilana Ologun ti Orilẹ Amẹrika -Ẹka ti Idaabobo Awọn Ipin Awọn Itọkasi Ologun ati Awọn Ilana
IPC- Asopọmọra Circuit Circuit Amẹrika ati Apoti Apoti - Ọsẹ naa jẹ otitọ fun Interoonnecting ati Iṣakojọpọ Awọn iyika EIectronics
ANSl- American National Standard Institute