终于有点现索了有个文件是这样说的:
1 Lead-free packages at STMicroelectronics
STMicroelectronics is fully committed to environment protection and sustainable
development and started in 1997 a voluntary program for removing polluting and hazardous
substances from all devices. In 2000, a strategic program, named ECOPACK has been
officially launched to develop and implement solutions leading to environment friendly
packaging and ban progressively Lead and other heavy metals from our manufacturing
lines. ECOPACK is a registered trademark of STMicroelectronics.
STMicroelectronics ECOPACK products are RoHS compliant according to EU 2002/95/EC
directive.
For more detailed information please go to http://www.st.com.
但具体含量是什么了?不是要到那个超慢网上去淘,唉~