https://www.ascen.ltd/Products/PCB_board_assembly_system/vision_measurin/507.html Vision Measuring Machine and image measuring instrument can be used for dimensional accuracy measurement of various molds, aircraft, automobile, mobile phone, computer,
https://www.ascen.ltd/Products/PCB_board_assembly_system/vision_measurin/507.html Vision Measuring Machine and image measuring instrument can be used for dimensional accuracy measurement of various molds, aircraft, automobile, mobile phone, computer,
https://www.ascen.ltd/Products/PCB_board_assembly_system/vision_measurin/507.html Vision Measuring Machine and image measuring instrument can be used for dimensional accuracy measurement of various molds, aircraft, automobile, mobile phone, computer,
Industry News | 2001-02-27 22:31:53.0
IPC has announced a call for papers for the IPC Annual Meeting, which takes place October 8-13, 2001, at the Rosen Centre Hotel in Orlando, FL.
» Fully automated 200 / 300mm EFEM wafer capability » Patented vibration squeegee technology » Dual or Single load port available Milara takes its combined system technology practice one step further with the development of the new AWPb 300 Wafer Pri
Used SMT Equipment | Chipshooters / Chip Mounters
Auction # 40 From Multiple Locations: www.xlineassets.com Key Equipment: • Universal HSP 4797L Chipshooter, SN 10085098, Includes (40) Assorted Feeders (15) HD0804, (15) HE0804, (3) HE1204, (3) HE1208, (2) HE1600, (2) HE2400, Jabil # 50004990
Used SMT Equipment | In-Circuit Testers
Teradyne Z1888 ICT Test System Auction # 40 From Multiple Locations: www.xlineassets.com Key Equipment: • Universal HSP 4797L Chipshooter, SN 10085098, Includes (40) Assorted Feeders (15) HD0804, (15) HE0804, (3) HE1204, (3) HE1208, (2) H
Used SMT Equipment | Chipshooters / Chip Mounters
Universal GX11 Pick and Place System With PTF Auction # 40 From Multiple Locations: www.xlineassets.com Key Equipment: • Universal HSP 4797L Chipshooter, SN 10085098, Includes (40) Assorted Feeders (15) HD0804, (15) HE0804, (3) HE1204, (3) HE
NanoSlic™ Gold is our top of the line spray on coating applied to our UltraSlic™ solder paste stencil, which gives previously unseen performance benefits in transfer efficiency. The NanoSlic™ Gold coating also gives the benefits of improved under-ste
Technical Library | 2019-09-24 15:41:53.0
This paper focuses on three different coating material groups which were formulated to operate under high thermal stress and are applied at printed circuit board manufacturing level. While used for principally different applications, these coatings have in common that they can be key to a successful thermal management concept especially in e-mobility and lighting applications. The coatings consist of: Specialty (green transparent) liquid photoimageable solder masks (LPiSM) compatible with long-term thermal storage/stress in excess of 150°C. Combined with the appropriate high-temperature base material, and along with a suitable copper pre-treatment, these solder resists are capable of fulfilling higher thermal demands. In this context, long-term storage tests as well as temperature cycling tests were conducted. Moreover, the effect of various Cu pre-treatment methods on the adhesion of the solder masks was examined following 150, 175 and 200°C ageing processes. For this purpose, test panels were conditioned for 2000 hours at the respective temperatures and were submitted to a cross-cut test every 500 h. Within this test set-up, it was found that a multi-level chemical pre-treatment gives significantly better adhesion results, in particular at 175°C and 200°C, compared with a pre-treatment by brush or pumice brush. Also, breakdown voltage as well as tracking resistance were investigated. For an application in LED technology, the light reflectivity and white colour stability of the printed circuit board are of major importance, especially when high-power LEDs are used which can generate larger amounts of heat. For this reason, a very high coverage power and an intense white colour with high reflectivity values are essential for white solder masks. These "ultra-white" and largely non-yellowing LPiSM need to be able to withstand specific thermal loads, especially in combination with high-power LED lighting applications. The topic of thermal performance of coatings for electronics will also be discussed in view of printed heatsink paste (HSP) and thermal interface paste (TIP) coatings which are used for a growing number of applications. They are processed at the printed circuit board manufacturing level for thermal-coupling and heat-spreading purposes in various thermal management-sensitive fields, especially in the automotive and LED lighting industries. Besides giving an overview of the principle functionality, it will be discussed what makes these ceramic-filled epoxy- or silicone-based materials special compared to using "thermal greases" and "thermal pads" for heat dissipation purposes.