jstd035声学扫描完整版.pdf

IPC/JEDEC J-STD-035 APRIL 1999 JOINT INDUSTRY STANDARD Acoustic Microscopy for Non-Hermetic Encapsulated Electronic Components Supersedes IPC-SM-786 Supersedes IPC-TM-650, 2.6.22 Notice EIA/JEDEC and IPC Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence of such Standards and Publications shall not in any respect preclude any member or nonmember of EIA/JEDEC or IPC from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other than EIA/JEDEC and IPC members, whether the standard is to be used either domestically or internationally. Recommended Standards and Publications are adopted by EIA/JEDEC and IPC without regard to whether their adoption may involve patents on articles,