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SMTnet Express, June 5, 2025, Subscribers: 26,224, Companies: 12,413, Users: 29,657

█ Electronics Manufacturing Technical Articles

Rework Challenges for Smart Phones and Tablets

Smart phones are complex, costly devices and therefore need to be reworked correctly the first time. In order to meet the ever-growing demand for performance, the complexity of mobile devices has increased immensely, with more than a 70% greater number of packages now found inside of them than ...

Credit: Metcal

Heat Sink Induced Thermomechanical Joint Strain in QFN Devices

A blade server system (BSS) utilizes voltage regulator modules (VRMs), in the form of quad flat no-lead (QFN) devices, to provide power distribution to various components on the system board. Depending on the power requirements of the circuit, these VRMs can be mounted as single devices or banked together. In addition, ...

Credit: IBM Corporation

THE IMPACT OF VIA AND PAD DESIGN ON QFN ASSEMBLY

Quad Flat No-Lead (QFN) packages has become very popular in the industry and are widely used in many products. These packages have different size and pin counts, but they have a common feature: thermal pad at the bottom of device. The thermal pad of the leadless QFN provides efficient heat dissipation from ...

Credit: Flex (Flextronics International)

CORRELATION BETWEEN CALCULATION AND PRACTICE FOR SIMPLE TOP-TO-BOTTOM PCB HEAT DISSIPATION USING TIM & VIAS

A study of the Thermo Design PCB Indicates The better the performance of the heatsink (=low Rth), the more influence the TIMs have • The thickness of a TIM is often more critical than the thermal conductivity of the material • The thermal resistance of the surface between the materials are most critical • Better use many small vias than a few big vias! • Plated or filled vias are very expensive to get, better try to stay with standard!

Credit: Wurth Elektronik GmbH & Co. KG

Effect of Thermal via Design on Heat Dissipation of High-Lead QFN Packages Mounted on PCB

The quad flat no-lead package (QFN) is widely used in integrated circuits due to its>advantages in performance and cost. With the increasing power of electronic products, effective heat dissipation from QFN packages has become crucial to prevent product damage. The focus of this study is to investigate the thermal performance of QFN ...

Credit: Shanghai Jiao Tong University

RESULTS of Searches for related keywords - "via design" (376)

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█ Printed Circuit Board Assembly & PCB Design Forum

Nordson FX 940 Ultra Nytvision bottom camera -- Has anyone been able to get the bottom camera option to work on Nordson FX 940 Ultra Nytvision? We tried three years ago, but they didn't have the software working yet. And their tech support wasn't sure how to get it working. Nordson is discontinuing the FX 940 and we would like to try the extra camera for barcode traceability. But we aren't going to buy from them anymore unless we know it works before purchase.

Centroid data from ODB++ -- One of our customers provides ODB++ files but not centroid. At one time if you extracted the files there was one file that contained the centroid data where you could just copy and paste to another file. The files provided to us do not have that file in it. Pentalogix Viewmate Pro can export the centroid data but it is expensive. The Pentalogix Viewmate Deluxe can import the ODB++ file but not export the centroid. The Pro version can edit the shapes and and parts but we don't need that. We just need to load the ODB++ and export the centroid. We were able to use just those two steps in the demo. Is there any other software that can extract the centroid data from the ODB++ that is free or cheap?

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█ SMT, PCB Manufacturing Companies - Industry Directory

POWER MEMBERS

Praxis Automation Technology - Praxis Automation Technology, founded in 1965, with its main office Praxis Automation Technology in The Netherlands, began with manufacturing and supplying alarm and monitoring systems for sea going vessels.

Michmas Electronics LTDMichmas Electronics LTD - Michmas Electronics Ltd. provides comprehensive electronic circuit and assembly solutions. From prototyping to full-scale production, we handle project management, PCB production, component procurement, and circuit assembly

BEST Inc. - BEST is a certified master IPC Training and Solder Certification center. We provide comprehensive courses for both Instructors and Operators including IPC-A-610, IPC J-STD-001, IPC-A-600, IPC/WHMA-A-620, and IPC 7711/7721 standard

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NEWEST SUBSCRIBERS

ejetprocurement - sourcing

Hebei Cechen New Material Co., Ltd - Hebei Cechen New Material Co., Ltd. was founded in 1986, is a collection company with production, research, development and sales ,as one of the professional stainless steel wire, metal mesh manufacturers, located in Anping County

Nabell USA Corporation - Nabell USA Corporation is a leading manufacturer of custom bellows and protective covers for a wide range of industries, including machine tools, medical devices, optics, robotics, and industrial automation.

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█ SMT, PCB Electronics Assembly Manufacturing Industry News

North American EMS Industry Shipments Up 0.2 Percent in April

IPC releases EMS industry results for April 2025...

Association Connecting Electronics Industries (IPC)

graph of ems shipments

North American PCB Industry Shipments Down 6.8 Percent in April

IPC Releases PCB Industry Results for April 2025...

Association Connecting Electronics Industries (IPC)

graph of pcb book to bill

Revolutionizing PCB Manufacturing: The Additive Solder Mask Process at STARTEAM GLOBAL

With its new Flero STARTEAM (FST) factory in Italy, STARTEAM GLOBAL is setting new standards in the ever-evolving world of printed circuit board (PCB) manufacturing. At the heart of this innovation lies the Additive Solder Mask Process, specifically Digital Inkjet Solder Mask Printing, a technology that redefines efficiency, sustainability, and quality in PCB production.

STARTEAM GLOBAL Limited

picture of building

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█ SMT / PCB Products & Services

NEW SMT / PCB EQUIPMENT & SERVICES - For Sale

PCB DISPENSING

PCD Continuously Volumetric Dispense Pumps

GPD Global

Inspection

Dongguan I.C.T AOI Solution

Dongguan I.C.T

SELECTIVE SOLDERING

Pillarhouse Jade Handex

Pillarhouse USA

PCB SOFTWARE

ProntoTEST-FIXTURE - ATE Programming

Unisoft

PCB ASSEMBLY

PCB Fab & Assembly

Imagineering

PCB REFLOW OVEN

NEW! Mark 7 Series -
Reflow Oven

Heller

PCB INSPECTION

MS-11e High Speed In-Line SPI System

Mirtec

VIEW MORE NEW PRODUCTS...

█ SMT / PCB Assembly Equipment Auctions

AUCTION | Closure of Renown Car Electronics Factory, Germany

AUCTIONEER | Maynards Europe GmbH

TYPE | Onsite Auction

FEATURING | Major 2-day online auction featuring SMT lines, test systems, packaging, warehouse, ESD-safe equipment, maintenance, IT and office gear.

LOCATION | Kronach, Germany

SCHEDULE | Wed, June 4 to Thu, June 26, 2025

OPENS | June 4, 2025 [4AM EDT]

CLOSING BEGINS | June 26, 2025 [4AM EDT]

FEATURED EQUIPMENY | ERSA, Rommel, JOT, IPTE, YJ Link, SPEA, FANUC, Siemens, Desoutter, Deprag, Gossen Metrawatt, Leica, TDK-Lambda, Audio Precision, Schunk, Baumann, RG, Nilfisk, TE. Ideal for electronics production, automation & service. Register now and place your bids!

ADDITIONAL ITEMS

SMT Production & Electronics Assembly
Placement Machine — Panasonic — CM602-L NM-EJM8A — 2012
Radial Lead Component Insertion Machine - Panasonic — RL132 NM-EJR6A - 2016
Selective Soldering — ERSA — VERSAFLOW — n.a.
Screen Printer — Speedline — Accela — 2012
Reflow Oven — Rehm — VXP Nitro 3150 — 2012
Paste Inspection — Parmi — Sigma X — 2014
AOI — Viscom S6056 — 2012
Fully Automated Assembly line and test station — M&R Automation
Inline Depaneling machine — Shunk ILR-PAL — 2019
Fanuc robots — M710iC/20L, M10iA/12, M20iA/35M, LRMate 200iD/7L
Insertion Machine — Tyco — AMP
Insertion Machine — TE — P300
Assembly Machine — RG — PB 500/1 Scan
Loader — JOT Automation — FLX 0172
Testing & QA
Board Tester — SPEA — 9030
ICT — Teradyne - TSLH-204, TSLH-F553
GE Micromex - X-Ray Inspection System, 2016
RS-SIMULATOREN - Climate Simulation Chambers
CTSTS-70/1150-10 - Temperature Test Chamber
Audio Analyzer — Audio Precision — APx586
Analyzer — Rohde & Schwarz — UPL66
Measurement Generator — Rohde & Schwarz — MPEG2
Stereomicroscope — Leica — S9i
Height Gauge — Mitutoyo — HS-30
Digital Indicator — Holex — 43 4004 25
Block Gauge Set — AMF — 6500H
Packaging
Packaging Machine — Rommel — LPM E-530 C
Label Printer — CAB — SQUIX 4/300MP
Sealing Machine — GEHO — TM 900 D
ESD Furniture / Support Equipment
Rework Station — Desoutter — FAS2000
Workstation — Siemens — SIMATIC Rack PC
Workbenches and Cabinets — Various
Cabinets & Tables
Warehousing, Office & Maintenance
Vacuum Lifter — Transport — Pro80
Tool Cabinet — Garant — Kombi
Storage Cabinets — Various
Palett Racking System
Palett Wrapper
Pallet Trucks
Paternoster Storage
Server System — Siemens — Simatic Rack PC
Workstation — Custom
Cabinet — C+P Möbelsysteme
Lathe — Romi — T180
Bench Grinder — Optimum — DoppelSchleifer Opm SM 200
Belt Grinder — Scantool — 150
Metal Cutting Saw — DeWALT — DW872
Workbenches and Vises — Peddinghaus, Junior — various
Tool Cabinets — Garant, Rohde & Grahl — various
... and much more!

NOTES

Contact: sebastiang@maynards.com

Terms & Conditions: Sale will be conducted in Euro (€), Buyer's Premium: 18%,

Sale in conjunction with AllSurplus

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█ Electronic Equipment Market

MARKET - Used Electronic Assembly Machines For Sale

SMTUnion - Panasonic NPM-W2 Chipshooter

SMTUnion

PCB INSPECTION

Viscom S3088 Ultra Chrome 3D AOI

Lewis & Clark Viscom S3088 AOI

Lewis & Clark

P&P / Feeders

Assembleon AX201

KD Electronics - Assembleon AX201

KD Electronics

MORE EQUIPMENT & PARTS...

SUBMIT YOUR RFQ ....

MARKET - Used PCB Assembly Equipment Wanted To Buy

Pick and Place/Feeders

Mydata My100, My200 or My300

Baja Bid

PCB TEST

Agilent 3070

Lewis & Clark Agilent 3070

Lewis & Clark

PCB TEST

Agilent 3070

KD Electronics Agilent 3070

KD Electronics

SEE Buyers' Used Assembly Equipment Wants

█ Electronics Manufacturing & Assembly Events Calendar

EVENTS

KOKI Announces Upcoming Webinar on a Residue-Free Soldering Solution for Power Devices Using Formic Acid Reflow

KOKI will host a free, live webinar on Thursday, May 29, 2025, at 12:00 PM CDT titled "A Residue-Free Soldering Solution for Power Devices with Formic Acid Reflow." The session will be led by Shantanu Joshi, KOKI's Head of Customer Solutions and Operational Excellence....

Koki Company LTD

Symposium on Counterfeit Parts & Materials Program Finalized

The SMTA is pleased to announce the technical program for the Symposium on Counterfeit Parts & Materials. Co-organized by SMTA and the Center for Advanced Life Cycle Engineering (CALCE), the event will be held June 24-26, 2025 in Hyattsville, Maryland at the College Park Marriott Conference Center....

Surface Mount Technology Association (SMTA)

Wiring the World Together: IPC and WHMA Unveil Global Wire Harness Competitions and Championship

IPC, in collaboration with the Wiring Harness Manufacturer's Association (WHMA), has organized the first-ever World Wire Harness Competitions and Championship. Regional country competitions will take place between March and December 2025 and final championship will be held at IPC's Integrated Electronics Manufacturing & Interconnections (IEMI) event scheduled January 29 to 30, 2026, in Bangalore, India. The global initiative promotes industry's best practices and strengthens the skilled workforce behind cable and wire harness assembly....

Association Connecting Electronics Industries (IPC)

LISTING SPONSOR

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█ Electronics Manufacturing Training Courses & PCB Assembly Training

FIND TRAINING FOR:

IPC Certification

Soldering & Rework

PCB Design

Electronics Assembly

Electronics Inspection

Online Training