New Equipment | Test Equipment
Military-style laboratory services to validate bare boards for product assurance. Testing for delamination, voids, copper thickness, hole quality, proper stack-up, etc. Customer receives all cross-section pucks, boards and laboratory report with reco
600V *RO4350B *RO4003C Dielectric material & Stack up requirement FR-4(no copper): 0.05-3.2mm for option Prepreg type: 7628H(7630), 7628(43%), 7628(41%), 2116HR, 2116, 2113, 1080 and 1060 for option Copper
Electronics Forum | Tue Jan 02 14:15:59 EST 2007 | realchunks
I have a new customer that has a print calling for 2oz. copper finish for top and bottom layers, and 1oz. copper finish for the inner 6 layers. Now, they also have a stack up depicting each layer and thickness. It shows the outer layers of copper b
Electronics Forum | Wed Dec 10 16:15:24 EST 2008 | terryl
on the front end in design, minimize the pth connections to ground planes. this takes alot of work by the pcb designer and the approval of the design engineer. connect maximum of 4 ground planes to pth, minimum 1 plane. use spoked connections. ev
Industry News | 2018-10-18 11:01:38.0
What Design Files Are Necessary for PCB Manufacturing & Assembly?
Industry News | 2018-10-18 10:43:28.0
Suggested 14 and 16 Layer Board Layouts
Technical Library | 2008-02-26 15:02:19.0
More and more chip packages need multi-GHz RF structures to meet their performance targets. The ideal chip package needs to combine RF features with Digital features for these applications. They drive low-loss, controlled impedance transmission lines, flexibility in assigned signal and power layers, and clearances of various shapes in power layers. Building these features in a chip package is difficult without making the stack-up very thick or compromising the reliability of the product. In the present paper, we have designed and built a flip-chip package test vehicle (TV) to make new RF structures, using Z-axis interconnection (Zinterconnect) building blocks.
Technical Library | 2017-06-15 00:44:19.0
Ceramics packages are being used in the electronics industry to operate the devices in harsh environments. In this paper we report a study on acoustic imaging technology for nondestructively inspecting underfill layers connecting organic interposers sandwiched between two ceramics substrates.First, we inspected the samples with transmission mode of scanning acoustic tomography (SAT) system, an inspection routine usually employed in assembly lines because of its simpler interpretation criteria: flawed region blocks the acoustic wave and appears darker. In this multilayer sample, this approach does not offer the crucial information at which layer of underfill has flaws. To resolve this issue, we use C-Mode Scanning in reflection mode to image layer by layer utilizing ultrasound frequencies from 15MHz to 120MHz. Although the sample is thick and contains at least 5 internal material interfaces, we are able to identify defective underfill layer interfaces.
Career Center | Erode, Tamilnadu India | Engineering
Professional Summary 3+ years of experience in the PCB CAM engineering Exposure to FRONTLINE GENESIS 2000 Having exposure in UCAM Exposure to Create, Array & Panelize it for manufacturability Experienced in Creating impedance cou
Manufacture and Characterization of a Novel Flip-Chip Package Z-interconnect Stack-up with RF Structures Manufacture and Characterization of a Novel Flip-Chip Package Z-interconnect Stack-up with RF Structures More and more chip packages need
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