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SMTnet Express, February 21, 2019, Subscribers: 31,686, Companies: 10,713, Users: 25,759

Technical Library

The Impact of New Generation Chemical Treatment Systems on High Frequency Signal Integrity

Credits: Sanmina-SCI

The High Density Packaging (HDP) User Group has completed a project evaluating the high frequency loss impacts of a variety of imaged core surface treatments (bond enhancement treatments, including chemical bonding and newer low etch alternative oxides) applied just prior to press lamination. Initial high frequency Dk/Df electrical test results did not show a strong correlation with any of the methods utilized within this project to measured surface roughness. The more significant factor affecting the measured loss is the choice of pre-lamination surface treatment. Most of the new chemical treatment systems outperform the older existing systems which depend upon surface roughness techniques to promote adhesion.

Forum search results for related keywords: signal integrity, surface treatment.

SMT / PCB Products


Hand Assembly

Virtual Industries

Assembly Services

SlingShot Assembly


GPD Global

Pick & Place

Count On Tools

Board Handling - Storage

Seika Machinery



Solder Paste Stencils

BEST, Inc.










ASC International


Vi Technology




PDR America





SMT / PCB Equipment Auctions

Consolidated Assets from Pioneer Magnetics, Omega Engineering, On Ramp Wireless and Others

Including: Pillarhouse, Agilent & more...

March 4 - 5 | X-Line Asset Management

Online SMT Auction Featuring Items From STS

Including: Mydata MY19, Mydata Agilis Feeder Magazines, Mydata Agilis Feeders & more...

February 25 - 28 | Baja Bid

Electronic Equipment Mart

DEK Infinity Screen Printer

Screen Printers

JMW Enterprises, Inc.

Pillarhouse Orissa 600

Soldering - Selective

X-Line Asset Management

Agilent 3070 ICT

In-Circuit Testers

Baja Bid

PVA UV1000 Curing Oven

Coating and Encapsulation

IBE SMT Equipment

YXLON Cheetah SMT X-Ray

X-Ray Inspection

Capital Equipment Exchange

Manncorp MC-LED4V-600

Pick and Place/Feeders

LEL Semi

Events Calendar

Webinar: Stencil Design for Solder Paste, In Process Inspection & Process Defects | March 18 | SMTA

IPC High Reliability Forum | May 14 - 16 | IPC

PCB Cleaning Webinar Series | ZESTRON Corporation

Training Courses

IPC Training & Certification Courses

Soldering & PCB Rework Courses

Career Center

Urgently required: Jobs In Nashik


Nashik, India | Paramount Enterprises

Technical Engineer


Albany, NY | YINCAE Advanced Materials, LLC.

SMT Operator


Bourne, MA | Onset Computer Corp.

Industry Associations Events


SMTA - Surface Mount Technology Association is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies.

Membership Info | SMTA Certification | Bookstore | Upcoming Events


IPC - Association Connecting Electronics Industries is a US-based trade association dedicated to the competitive excellence and financial success of its nearly 2,600 member companies which represent all facets of the electronic interconnection industry, including design, printed wiring board manufacturing and electronics assembly.

Membership Info | Training & Certification | Online Store | Upcoming Events

Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.


Used PCB Assembly Equipment - CE Exchange

Metcal CV-5200 Connection Validation Soldering System

Experience the Blackfox Difference - Premier IPC Training & Certification Center

Late Model SMT equipment ONLINE AUCTIONS

Online SMT Auction February 25 - 28: Featuring SMT Equipment From STS - Rework Tools

NEW Fully featured benchtop dispenser - GPD Global

Vacuum Tweezers - pick up small components with ease

HELLER - Choose an Oven for Your Reflow Needs

KIC - Making Reflow Ovens Smarter

Discover the Next Generation of Electronics Inspection - Join the YXLON EVOlution

Kyzen Free PCB Cleaning Audit

Turn-Key PCB Prototypes - On Your Bench in 5 Days

KD Electronics - High quality SMT nozzles, feeders, cutters, filters, etc

Quality Pre-Owned SMT Eequipment - Robo-Tek

Dual Mode 3D AOI/SPI

SMTnet - Electronic Industry Hub

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