HDI Handbook review
Joe Fjelstad
Just-released high density interconnection ‘bible’
provides valuable advice and technical guidance for the future.
HDI Handbook review
HDI has arguably risen in status to become technology; Mark Laing, Mentor Graphics’ a chapter on via-fill, plating and circuit
the keystone technology for advanced product marketing manager for Systems finishes.
interconnections, and electronics industry Manufacturing Solutions expert in assem- The important subject of inspection
veteran and technical guru Happy Holden bly, test, and inspection; Dr. Christophe and testing is covered in Chapter 11 by Dr.
has put his formidable talents and energy Vaucher, a widely known electrical test Christophe Vauche, and Chapter 12, again
into co-authoring and editing a text that expert and inventor of Laser Direct Testing by Holden, reviews the key topics of qual-
is likely to serve as a technical touchstone (LDT) electrical testing; Per Viklund, Men- ity, acceptability & reliability. In Chapter
for current and future generations of tor Graphics’ director of IC Packaging & 13, Laing and Wuensch review assembly
electronics design engineers. Holden is no RF, who oversees IC packaging RF design and test processes for HDI PCBs.
newcomer to the world of either PCBs or and embedded components product lines; The final three chapters of the book
HDI. I first had the pleasure of meeting and Matt Wuensch, corporation systems are forward-looking, where in Chapter 14
Happy in 1972 while I was running the manufacturing solutions business develop- Holden reviews the increasingly interesting
analytical laboratory for then-leading-edge ment manager for Mentor Graphics. This and important topic of embedded compo-
PCB manufacturer Printex and he was stellar collective brain trust has created a nents and their unique challenges and fol-
a recent addition to Hewlett-Packard’s handbook that fills an important informa- lows up with Chapter 15 on advanced HDI
printed circuit group, where he joined as a tion gap in the electronics industry. and next generation interconnects, where
chemical engineer. However, with his com- The book is nearly 650 pages in length he gives the reader a glimpse of the future.
bined knowledge and understanding of and is divided in to 16 chapters, kicked off The book concludes with Chapter 16 by
manufacturing process, computer science by a comprehensive introduction chapter Per Viklund, who covers advanced packag-
and electronics, he quickly rose to become by Holden. This is followed by Karen ing and system-in-package (SiP) solutions.
a key contributor at HP’s global PCB Carpenter’s chapter on the interconnect This book is long overdue, and what
manufacturing operations. During his ster- market, which provides a sense of scope is great for the industry is that the book is
ling career at Hewlett-Packard, Holden and and opportunity for HDI. Holden offers available for free at
www.hdihandbook.com,
his colleagues pioneered activity in HDI up his considerable experience in the and for that single reason, no one should
technology more than two decades ago. design of advanced substrates in the third remain uninformed on this pivotal technol-
Upon his retirement from HP, he joined chapter, addressing the key issues that need ogy. There is no denying the unassailable
Merix Corporation, where he drove their to be understood for success. fact that we will all be using HDI technolo-
industry-leading HDI efforts in support In Chapter 4, world renowned signal gies in the future and as famed scientist
of a major cell phone manufacturer as the integrity guru Dr. Eric Bogatin delivers Louis Pasteur noted, “Fortune favors the
push to shrink cell phones while increasing important information on the topic of elec- prepared mind.” This book offers just such
features began to build momentum in the trical performance, which is followed by a an opportunity to prepare one’s mind for
early 1990s. chapter on the all-important topic of HDI the fortunes that await.
Holden has been an outspoken advo- materials prepared by John Andresakis.
cate for HDI technology for years, and this Chapter 6, also prepared by Holden, is Verdant Electronics founder and president
new text brings together his experiences on HDI manufacturing processes, which Joseph (Joe) Fjelstad has more than 35 years of
along with a select group of highly experi- the reader will come to find is quite diverse international experience in electronic intercon-
enced and respected technologists, includ- in nature. nection and packaging technology in a variety of
ing Dr. John Andresakis, a technology VP Michael Carano offers up his consider- capacities from chemist to process engineer and
at Oak Mitsui; Dr Eric Bogatin of Bogatin able expertise in the next four chapters: In from international consultant to CEO. Mr. Fjel-
Enterprises, a world renowned expert in Chapter 7 he focuses on the heart of HDI stad is also a well known author writing on the
signal integrity; Michael Carano of OMG and discusses processes for small hole cre- subject of electronic interconnection technolo-
Electronic Chemicals, a widely known elec- ation or microvias as they are commonly re- gies. Prior to founding Verdant, Mr. Fjelstad
troplating technology and printed circuit ferred to in the industry; in the next three, co-founded SiliconPipe a leader in the develop-
manufacturing expert; Karen Carpenter, Carano logically follows up with reviews of ment of high speed interconnection technologies.
president of CMTC Associates Inc. and a the key processes that follow, including a He was also formerly with Tessera Technologies,
highly regarded technologist and marketing chapter on the critical step of metallization, a global leader in chip-scale packaging, where he
veteran, previously with IBM and EIT; Dr. a chapter on fine-line imaging and etching, was appointed to the first corporate fellowship
Karl Deitz of Du Pont, a world renowned where he is assisted by imaging technology for his innovations.
author and expert on PCB imaging expert Dr. Karl Dietz, and concluding with
4 – Global SMT & Packaging – November 2008
www.globalsmt.net
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