Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/04/last-will-of-bga-void-1.pdf
: IPC Solder Products Value Council (SPVC), “The Effect of Voiding in Solder Interconnections Formed from Lead-free Solder Pastes with Alloys of Tin, Silver and Copper” [6
Heller 公司 | https://hellerindustries.com.cn/wp-content/uploads/2018/07/last-will-of-bga-void.pdf
: IPC Solder Products Value Council (SPVC), “The Effect of Voiding in Solder Interconnections Formed from Lead-free Solder Pastes with Alloys of Tin, Silver and Copper” [6
