Industry Directory | Distributor / Equipment Dealer / Broker / Auctions / Manufacturer
Zetech was established in 1986 with the intention of supplying Industrial Equipment, Manufacturing Equipment, Consumable Materials, Software and Technical Support to the Electronics and Manufacturing Industry in South Africa.
New Equipment | Solder Materials
WS735 is an alcohol based, organically activated, water-soluble liquid flux designed specifically for wave solder applications. WS735 may be applied by automated flux sprayers, foamed, dipped, or brushed on with favorable results. WS735 is active at
New Equipment | Solder Materials
WS770 is a PH neutral, organically activated, water-based, VOC-free water-soluble liquid flux formulated to fully atomize during the wave soldering process. WS770 may be applied by automated flux sprayers, foamed, dipped, or brushed on with favorable
New Equipment | Solder Materials
WS715M is a neutral alcohol based, organically activated, rosin-free, water soluble liquid flux designed specifically for wave solder applications. Though designed for application via foam fluxer, WS715M may also be applied by automated flux sprayers
New Equipment | Solder Materials
WS716 is a halogen- and halide-free, alcohol based, organically activated, rosin-free, water soluble liquid flux designed specifically for wave solder applications. WS716 is the liquid version of the WS-477S1 series solder paste. Though designed for
Industry News | 2022-09-15 06:32:01.0
Unigen Corporation is pleased to offer cutting edge in-house conformal coating as a value-add service for customers who require additional protection and reliability for ruggedized environments.
M.G. Chemicals products include dusters and circuit coolers, cleaner / degreasers, flux removers, contact cleaners, protective coatings, epoxies, adhesives, RTV silicones, lubricants, EMI/RFI shielding coatings, thermal management products, prototypi
Industry Directory | Manufacturer
Designer and manufacturer of custom electronic controllers. Focused on motor controls and appliance controls. RoHS and non-RoHS. SMD and Through Hole equipment. Conformal coating and light assembly.
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.
Industry News | 2013-03-21 16:25:46.0
Aqueous Technologies, together with Zestron, Kester and Humiseal, participated in the Assembly Cleaning, Testing and Conformal Coating Workshop in Penang Malaysia on March 15, 2013