Copper strip wrapped solder posts (tseem hu ua tooj liab strips solder posts) yog cov khoom siv sib txuas tseem ceeb uas siv rau hauv siab - kev ntseeg siab ntawm cov khoom siv hluav taws xob. Lawv lub hom phiaj tseem ceeb yog txhawm rau txhim kho kev ntseeg tau ntawm cov qauv solder nyob rau hauv ib puag ncig hnyav xws li thermal cycling thiab mechanical vibration.
Txhim kho Thermal Shock Resistance: Cov tooj liab sawb winding qauv ua kom zoo dua qub ntawm cov khoom siv los tiv thaiv thermal shock. Piv nrog rau cov khoom siv cam khwb cia, tooj liab qhwv cov ntaub qhwv cov ntawv qhia tsis pom cov kab nrib pleb tom qab muaj ntau yam thermal shocks (xws li GJB548B-2005 Method 1011.1 Condition C), thiab lawv cov tensile thiab shear zog nyob ruaj khov.
Txhim kho Thermal conductivity: tooj liab muaj thermal conductivity zoo heev. Kev qhwv lub sawb tooj liab ua kom luv luv ntawm txoj kev ua cua sov, pab hauv nti hluav taws xob dissipation, ua rau nws tshwj xeeb tshaj yog haum rau siab - zog- ntom ntom hluav taws xob.
Kev Ruaj Ntseg Ntawm Kev Nyuaj Siab Thermal Mismatch: Hauv kev sib txuas ntawm ceramic substrates thiab PCBs (xws li FR-4 lossis polyimide), qhov tsis sib xws hauv cov coefficients ntawm thermal expansion (CTE) tuaj yeem yooj yim ua rau kev sib koom ua ke tawg. Copper strips weld posts, nrog lawv cov elastic modulus siab dua thiab muaj peev xwm nkag tau, tuaj yeem nqus tau kwv yees li 10 × 10⁻⁶ /℃ntawm CTE qhov sib txawv, zoo txo cov kev ntxhov siab.
Txhim khu kev txhawb zog thiab kev co tsis kam: Lub sawb tooj liab muab kev txhawb nqa ntxiv, txhim kho kev ruaj ntseg ntawm cov ncej vuam nyob rau hauv cov tshuab kev co lossis kev poob siab, thiab yog siv dav hauv siab - kev ntseeg siab xws li aerospace thiab tub rog.
