Qhov zoo thiab qhov tsis zoo ntawm OSP txheej txheem yog dab tsi?

Muaj ntau lub tuam txhab PCB niaj hnub no, tab sis tsis muaj ntau lub tuam txhab uas tuaj yeem ua cov txheej txheem OSP zoo, vim tias kev ua haujlwm ntawm OSP boards yuav tsum muaj kev paub dhau los hauv PCBA thaj ua haujlwm. Yog li, qhov zoo thiab qhov tsis zoo ntawm OSP txheej txheem yog dab tsi?

OSP hais txog kev siv tshuaj lom neeg los cog cov yeeb yaj kiab organic rau ntawm qhov chaw tooj liab dawb huv. Tus yuam sij rau OSP txheej txheem yog tswj cov tuab ntawm zaj duab xis. Yog hais tias cov zaj duab xis nyias dhau lawm, lub thermal shock kuj yuav tsis zoo, uas nws thiaj li cuam tshuam rau cov solderability; Yog hais tias cov zaj duab xis yog tuab heev, nws yuav tsis zoo fused los ntawm cov flux, uas kuj yuav cuam tshuam rau solderability.

1. OSP txheej txheem zoo:

(1) tus nqi qis;

(2) Siab vuam zog;

(3) Zoo weldability;

(4) Qhov saum npoo yog du;

(5) Haum rau kev kho deg;

(6) Ib qho yooj yim rau rework.

2. Qhov tsis zoo ntawm OSP txheej txheem:

(1) Kev tiv thaiv kev tiv thaiv yog siab, uas cuam tshuam rau kev ntsuas hluav taws xob;

(2) Tsis haum rau hlau vuam;

(3) Tsis zoo thermal stability, feem ntau tom qab lub qhov cub kub, nws tsis muaj kev tiv thaiv oxidation ntxiv lawm;

(4) Lub sijhawm txheej txheem luv luv, thiab tom qab vuam yuav tsum ua tiav hauv 24 teev tom qab thawj vuam;

(5) Tsis tiv taus corrosion;

(6) Kev luam ntawv yuav tsum siab, thiab kev luam ntawv tsis tuaj yeem yuam kev, vim tias kev ntxuav yuav ua rau OSP zaj duab xis puas;

(7) Lub tin nkag mus rau ntawm lub qhov yoj soldering yog tsis zoo.