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Posts tagged with 'IPC-7351'

PCB Design Perfection Starts in the CAD Library - Part 17

Posted Jun 3, 2011, by Tom Hausherr

IPC introduced a new padstack naming convention in the IPC-7351B standard publication and it is used exclusively in the Mentor Graphics LP calculator. This article explains the breakdown of the new standard and its benefits. The padstack consists of combinations of letters and numbers that represent shape, or dimensions of lands on different layers of printed boards or documentation. The name of the … Read More

Tags: IPC-7351, LP Calculator, fiducials, Padstack

Need stitching vias?
PADS Tips and Tricks: Pin Swapping
Turn off your phone!
Is it SSN or is it Crosstalk?
Crosstalk is everywhere
PADS Tips and Tricks: Via Shielding
The cure for sick waveforms
Running at 6GHz with your eyes closed can be scary
PADS Tips and Tricks: Sense Lines
It's never too late

May, 2012
- Need stitching vias?
- PADS Tips and Tricks: Pin Swapping
- Turn off your phone!
- Is it SSN or is it Crosstalk?
- Crosstalk is everywhere
April, 2012
- PADS Tips and Tricks: Via Shielding
- The cure for sick waveforms
March, 2012
- Running at 6GHz with your eyes closed can be scary
- PADS Tips and Tricks: Sense Lines
- It's never too late
- PADS Tips and Tricks - Downloading New License File
- PADS Tips and Tricks: Differential Pairs
- Great Things in Small Packages
- PADS Tips and Tricks – Installation and Licensing
- PADS 9.4 Released with Unique Technology
- The Parallel Pain
- Put the Pieces in Place for SERDES Success
- Know your limits
- PADS Tips and Tricks - Cross Probing
February, 2012
- 2012 U2U Meetings
- PADS Tips and Tricks - Mounting Holes
- Is The Job Market Getting Better?
- OK, so no EP boom but there appear to have been a small puff…
- Fabrication and Assembly Analysis?
- Advanced tools mitigates risks with Embedded Passives (EP’s)
January, 2012
- Embedded passives never boomed –but saves high performance designs
- Gerber to ODB++ - Have You Made the Move?
November, 2011
- Shorter stubs are getting longer
- Stupid vias... {grumble grumble}
- Via modeling - what do I really need?
September, 2011
- Using Virtual Prototyping versus Physical Prototyping
- Best-in-class companies use design concurrency
August, 2011
- Don't miss out - Technology Leadership Awards contest
- Is your company Best-in-Class?
- HyperLynx PI Virtual Labs Launch!
- Measurement correlation is just a stackup away
- Your traces aren't square, but do you need to care?
- Its Technology Leadership Awards Contest Time!
- Can you make Z higher?
July, 2011
- TLA 2011 Is Just Around The Corner!
June, 2011
- PCB Design Perfection Starts in the CAD Library - Part 19
- PCB Design Perfection Starts in the CAD Library - Part 18
- PCB Design Perfection Starts in the CAD Library - Part 17
May, 2011
- Try to fit some plane pairs in your stackup
- High impedance drives your stackup geometries
- Stackups: More than just a bunch of routing layers
- PCB Design Perfection Starts in the CAD Library - Part 16
April, 2011
- PCB Design Perfection Starts in the CAD Library - Part 15 QFN
March, 2011
- Inch to Metric Conversion Tables for PCB design
- Santa Clara U2U Coming Up On April 26
- Ever wonder the effects of shared anti-pads on differential signals?
- Do you use Imperial or Metric units for PCB design?
- PCB Design Perfection Starts in the CAD Library - Part 13
February, 2011
- HDI Value Benefit
January, 2011
- PCB Design Perfection Starts in the CAD Library - Part 12
- The length of your terminator doesn't matter
- HDI Via-In-Pad (VIP)
- Vias are longer than their length
- Stack or Stagger MicroVias?
- How do you manage your trace lengths?
- PCB Design Perfection Starts in the CAD Library - Part 11
- Why PCB Design Matters to the Executive
- PCB Design Perfection Starts in the CAD Library - Part 10
- S-parameters are for more than just packages
- PCB Market Share - Who cares?
- Making SERDES sims faster with IBIS-AMI
- Tired of waiting for your SPICE to finish?
- PCB Design Perfection Starts in the CAD Library - Part 9: BGA Components
December, 2010
- Is achieving optimum manufacturing flow a dream? (Part 2)
- PCB Design Perfection Starts in the CAD Library - Part 8
November, 2010
- PCB Design Perfection Starts in the CAD Library - Part 7
- PCB Design Perfection Starts in the CAD Library - Part 6
October, 2010
- PCB Design Perfection Starts in the CAD Library - Part 5
- Shortening Design Cycles With Concurrent Engineering
- PCB Design Perfection Starts in the CAD Library - Part 4
- What's driving the need for PCB power design?
- PCB Design Perfection Starts in the CAD Library - Part 3
September, 2010
- The Right Tools for Your Desktop
- PCB Design Perfection Starts in the CAD Library - Part 2
July, 2010
- HyperLynx 8.1 Released
- Minimizing Late Stage PCB Respins
- Technology Leadership Awards Contest, You could win!
- Alcatel-Lucent - TLA ‘Telecom, Network Controllers, Line Cards’ category winner
- TLA 2010 – Showcase Your Designs!
- Metric VS: Imperial Measurement Systems
June, 2010
- Fundamentals of SI (Part 3) - Impedance
- Challenge For Dynamic Flex: Impedance Control
- Technology Drivers For Printed Circuits-REVISITED
- EIGHT (8) KEY HDI DESIGN FEATURES
- "Made In America"
- Datasheets: Please give us some input!
- vSure, For Sure
- DFM, starts with Design and ends with Manufacturing
- Design for obfuscation!
- Assess Your PCB Development Performance
- Return to the Colonies
May, 2010
- PCB Design Does Matter! The Study
- Editors ask good questions. It's their job!
- Fundamentals of SI (Part 2) - Transmission lines
- I/O, I/O, it’s off to work we go…
April, 2010
- Going from rules of thumb to simulation
- Fundamentals of SI (Part 1) - Critical nets
- Dealing with a Noisy Neighbor
- Fundamentals of Signal Integrity
- Myopia
March, 2010
- Why Valor???
- Something big is on the horizon
- The cost of reliability - Just ask Toyota
- User Groups – Get Involved!
- Do you want to be a professional?
February, 2010
- The kindred spirit of an Olympian
- The Future Ain't What it Used to Be
- May I have the envelope, please...
- A great start to DesignCon
- We Won...Hooo AHH
- I'm a twit
January, 2010
- DesignCon 2010 - Next week
- Time flies...it's almost February
- A Unique Opportunity
- AMI - The next modeling frontier
- Come to Planet HyperLynx at DesignCon 2010
- It's a 3D World - Just watch Avatar
- Do you know the way to San Jose?
- DesignCon Baby!
December, 2009
- How 'bout a bite?
- What's your excuse?
- CiBOARD - 2009 PCB TLA 'industrial control' category winner
- Santa's helpers - The empoverished life of an engineer
November, 2009
- Hard to Believe
- HyperLynx DDRx Wizard Resources
- A Late Night in Copenhagen
- Collaboration Interuppted
- Panasonic - 2009 PCB TLA consumer electronics category winner
- Little Blue People
- Results of PCB Design Survey
- Let me introduce myself...
October, 2009
- The Halloween Rush
- Kontron - 2009 PCB TLA computer category winner
- PCB Does Matter
- Desktop PCB and Technology
- PCB Design - How Many Monitors?
- Tellabs - 2009 PCB TLA overall winner
- PCB design trends show increasing complexity
- 2009 Technology Leadership Awards – The results are in!
- With A Little Help From My Friends
September, 2009
- The Radical Future of R&D
- How beer was instrumental in kick-starting the industrial revolution. How lessons learned then can assist in your latest Multi-Gbps Serial Channel Design
- Welcome to the New Multi-Gbps Memory and Serial Channel Design Blog
- Design Reviews in a Virtual World
- Right Tool for the Job!
- DxDesigner Multi-PCB Project (Part 11)
- The verdict is (almost) in!
August, 2009
- DxDesigner Multi-PCB Project (Part 8)
- DxDesigner Multi-PCB Project (Part 7)
- DxDesigner Multi-PCB Project (Part 6)
- DxDesigner Multi-PCB Project (Part 5)
- DxDesigner Multi-PCB Project (Part 4)
- DxDesigner Multi-PCB Project (Part 3)
- DxDesigner Multi-PCB Project (Part 2)
- Deja Vue all over again.
July, 2009
- Go Right to the Top: "Ask Andy"
- We’re in a recession. So why not buy cheap?
- Why Mentor does the Technology Leadership Awards
June, 2009
- Power to the People!
- New Chapters for the HDI HANDBOOK
- “Desktop” versus “Enterprise”. Which is for you?
- Compete with fellow PCB designers for Mentor’s Technology Leadership Awards
- Multiple PCB Boards, One DxDesigner Project: The Coil Winder (Part 1)
- Observations from the Road
- HDI Training for Fabricators
- You Are Special!!!!!
- Innovate like Edison..... or Not....
- Trend to RF/Analog/Digital mixed technology boards
- PCB Designers are from Venus, Mechanical Designers are from Mars!
- Self-Learning Educational Opportunities for Designers
- PCB Developers are the Unsung Heroes of Innovation!
- A Passage to India: Questions & Answers for the Introduction to PADS 9.0 Webinar
- Recession: Should you pull back or get more aggressive?
May, 2009
- Buried Capacitance Materials for Power Integrity
- Expecting more from your PCB design tool supplier
- Interactive Routing - What would you like to see improved or added?
- PTS Coupons for TH Process Control
- Free Download ! All You Wanted To Know About HDI....and MORE!
- Polymer printed transistors
- What will be growth industries for PCBs?
- My Inverter to drive HD LEDs
- Wifi Signal Strength
- What's important when you want to "design for the lowest cost"?
- How do you get started in HDI?
- Where do you draw the line?
- U2U Expedition PCB Questions, Issues and Answers - Part I
- "BGA Breakouts and Routing" Review and Second Edition Now Available
- Personalized Menus - Use them?
- Effective BGA Fanout Patterns - Presentation with Voiceover
- High Density Interconnect in Expedition PCB
- Tipping Point for Large BGAs
- Ribbon Menus - Do you like them?

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