Circuits Assembly Online Magazine - Current

Products

K-Alpha materials characterization instrument uses x-ray photoelectron spectroscopy to quantitatively determine the surface chemical composition of the top few nanometers of solid materials. Insulators, semiconductors and metals can be analyzed in a user-friendly, reliable and automated way. An integral ion source provides a high-resolution depth profiling capability, thus facilitating true 3D analysis. For high-throughput sample analysis.

Thermo Electron Corp., thermo.com/surfaceanalysis

The VPD-5 depaneler is said to permit stress-free board separation with components (inlcuding ceramic capacitors) as close as 0.5 mm from the score line. Reportedly handles boards as thin as 0.32", and can separate boards with tall components near the score line (up to 0.800" from the top of the PCB). Panel insertions limited to the score line, preventing operator errors. In two models; for boards up to 10" and 13", respectively.

Fancort Industries, fancourt.com

Hysol QMI536NB non-conductive PTFE-filled paste is for stacked die applications that require extremely low stress and robust mechanical properties. Can be used on all levels of a stacked die, enabling the qualification of a single material. Is said to eliminate provide very low resin bleed and very fast cure. Can be used on solder resist, bare silicon and multiple die passivations. Is lead-free compatible, showing no reliability issues or material deterioration even when processed in higher temperature environments. shows high resistance to delamination and popcorning after multiple exposures to 260°C reflow temperatures.

Henkel, www.electronics.henkel.com

PRO 2 Tdp is a tabletop assembly cell that may be used for low- to mid-volume manufacturing operations that require an LED component be picked, placed and soldered onto a PCB or substrate. The onboard dispensing head also can place a dot of thermal paste or silicon adhesive between the PCB and LED prior to attach. The robot selectively solders with twin irons attaching each side of the LED simultaneously. Dual automatic solder feeders, pre-heat plate and thermal loop feedback are standard.

Promation, Pro-mation-Inc.com

Series 305 Horizontal Laminar Flow Clean Bench features a stainless steep table top with a white painted-steel shell, front access and interior lighting. Available for Class 100 or Class 10 environments.

Bench length and height depends on the specific process, but standard floor-to-tabletop height is 30 in. Standard widths are 2-1/2 in. over nominal 3, 4, 5, 6, 8 increments and the interior depth (interior table or working space) is 21.5 in. Overall cabinet width, depth and height will depend on the size of unit chosen.

Clean HEPA-filtered air flows outward from the cabinet. This horizontal laminar flow air washes out particulates and prevents contamination from entering the clean work zone. The cabinet features “clean edge” construction that puts the hood and tabletop in shear with the media edge of the HEPA filter to reduce turbulence along the sides of the hood, improve laminar flow and prevent contamination infiltration around the perimeter of the hood.

Top and bottom front grills recirculate the air within the bench. Provides recirculating temperature control to within ± ½ºF. Can operate at or above ambient using make-up air for cooling, or it can have an air conditioning unit with reheat for temperature control at or below ambient.

Clean Air Products, www.cleanairproducts.com

Model 2200-245-051 Tip-Seal dispense valve is for precision dispensing of low- to high-viscosity flowable materials. It is also used in high-speed stitching or repetitive on-off applications where short segments of material are deposited onto a surface.

The zero-cavity design helps dispense solvent-based, moisture-curing and stringy materials such as silicones or polyurethanes. Sealing at the tip prevents material from hardening in the nozzle, oozing or dripping. The valve opens and closes its material passage at the tip of the nozzle to precisely start and stop material flow.

Pneumatically actuated, the valve has a carbide tip, titanium-coated shaft, hardened seat and wear-resistant fluid seals to extend valve life. The stroke adjuster can set the needle opening to change material-flow rates and bead-profile sizes.

The valve’s precision dowel and screw holes allow easy and accurate mounting. The 0.125” orifice and short 0.32” tip length (8.1 mm) enables the valve to reach into parts and fixturing. Other orifices and tip lengths are available. Material is delivered to the valve by either a metering assembly or under regulated pressure from supply tanks or pumps.

Sealant Equipment & Engineering, sealantequipment.com