«BLACK PAD»に関連する英語の本
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1
The ELFNET Book on Failure Mechanisms, Testing Methods, and ...
black pad defects do not occur randomly but is often localised to specific pads on
a PCB [7]. Surfaces affected by the black pad defect are often connected to larger
surfaces not affected by the black pad defect [17] and usually they are found on ...
Günter Grossmann, Christian Zardini, 2011
2
Lead-free Solder Interconnect Reliability
“Black pad” failure. (a) Optical photo of top view of “black pads.” After components
with weak joint strength were removed, the pads underneath were exposed,
showing strikingly dark color. (b) SEM photo of a black pad, showing mud crack
at ...
3
Microelectronic Failure Analysis Desk Reference: 2001 ...
The most severe form is called 'black pad', and sometimes it is detected at the
PWB/substrate manufacturer. The root cause of the most severe forms has been
attributed to 'hyperactive' Au bath [5], where the Au bath, through mechanisms
still ...
4
Materials for Advanced Packaging
Two additional defects related to specific surface finishes are black pad for
electroless nickel immersion gold and microvoids for immersion silver. Black pad
is the formation of a phosphor rich layer at the intermetallic layer between the
bulk ...
Daniel Lu, C.P. Wong, 2008
This condition is usually an indication of irregularities in the nickel deposit or
excessive exposure in the immersion gold bath that One well known problem
associated with ENIG is the “black pad” phenoresults in nickel corrosion. In either
case ...
6
Area Array Interconnection Handbook
Black pad. In addition to oxidation, the wettability of a pad surface is also
influenced by the phosphorous content in the nickel [144]. Sporadic solder joint
failures by mechanical means have been reported in the literature [145]. A so-
called ...
Karl J. Puttlitz, Paul Totta, 2001
7
Microstructural Changes Under Isothermal Aging and Their ...
... ImAg pad finish - Sn3.0Ag0.5Cu solder joint (Aged 125°C for 350 hours)............
............................................................................................................. 32 Figure 26: Black
pad at the pad interface for ENIG- As-reflowed – Sn3.0Ag0.5Cu solder joint.
8
Contamination of Electronic Assemblies
11.7 Black Pad An intermetallic layer which forms during soldering will result in
an embrittled solder joint, leaving a smooth black or dark surface, see Figure 1 1 .
8. This is sometimes referred to as black pad. This is caused by contamination of
...
Elissa M. Bumiller, David A. Douthit, Joan Pecht, 2002
9
A Systematic Approach for Selection of Best Lead-free ...
The black pad defect is selective and occurs at a low ppm level. Typically, the
failure occurs after reflow, resulting in open joints. If the component is removed,
black nickel-like nodular interfaces with “mud cracks” are exposed as shown in ...
10
Readings in Information Visualization: Using Vision to Think
... set_color black .pad set_linewidth 1 .pad draw_text 'Jan Feb Mar* 0 0 proc
calBB {} { return "0 0 11 NAVIGATION Finding information on the Pad++ surface
is obviously very important as intuitive navigation through large dataspaces is
one of ...
Stuart K. Card, Jock D. Mackinlay, Ben Shneiderman, 1999
用語«BLACK PAD»を含むニュース項目
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black padという用語がどのように使われているかを調べてみましょう。
Wood's effort helps Atlanta break swoon
Wearing a large black pad on the elbow, McCutchen didn't appear limited at the plate. He hit three long fly balls to go with his single. «Marietta Daily Journal, 6月 15»
Wood sharp as Braves top Pirates to end losing streak
Still, he donned a sizable black pad to shield the elbow Sunday. Copyright 2015 The_Associated_Press. All rights reserved. This material may ... «SunHerald.com, 6月 15»
Off the Boulevard of Broken Dreams: The Knickerbocker Hotel's …
On a red plush carpet stood a table on which rested a spirit trumpet, a bell, a piece of chalk, two slates, a pencil, and a black pad of paper. «KCET, 6月 15»
Chunkin' & flingin': Students at Central High build their own catapults …
"I solved the problem by adding this brake to protect the bar from the lever," Tudor says, pointing to a spongy black pad on the new steel bar. «Chattanooga Times Free Press, 5月 15»
Review: This protective PureGear case is slim, stylish and better …
One downside that does come with this, though, is that the space created by the black pad allows debris to enter the case via the Apple logo ... «AppAdvice, 5月 15»
Code of a Killer: Murder book tracks killer caught by DNA
A black and white photograph of Black Pad footpath, where the first girl was sexually assaulted then killed, adds a grim reality to the gripping ... «Hinckley Times, 4月 15»
Code of a Killer: Real-life detective talks about solving DNA case
It wasn't until the early hours of the next morning when an ambulance driver is cycling along Black Pad Lane to work at the ambulance station ... «Hinckley Times, 4月 15»
Look: Nuneaton Old Edwardians rise to the occasion and secure …
Fuelled by a sense of retribution from their 22-6 win at The Black Pad in December, the Lions came out with all guns blazing, Tom Kilburn ... «Coventry Telegraph, 4月 15»
HASLEN: A New High-Reliability Surface Finish for PCBs
... surface which removes the necessity to coat the nickel with gold, yielding substantial cost benefits while removing the step in which black pad ... «I-Connect007, 3月 15»
The ZRRO Android Console clears its Kickstarter goal
A black pad acts as a touchscreen which tracks your fingers on the big screen, and there are three buttons/tabs at the bottom that operate ... «Phones Review, 3月 15»
