MMCC manufacturers light weight, high conductivity, low expansion graphite fiber reinforced aluminum and copper alloys. These alloys are fast machining, non magnetic, non toxic, and are easily plated. CTE's from 3-15 ppm/C and K's from 180-300 W/mK.
Agile Circuit Co., Ltd is an experienced professional supplier of printed circuits. We are specialized in meeting your needs in all PCBs
New Equipment | Fabrication Services
Rigid flex printed circuit boards (PCBs) are manufactured by combining rigid and flexible board technologies. These circuit boards are made up of multiple flexible circuit inner layers. An epoxy pre-preg bonding film is used to attach together these
1). 14 different PCB's in one Panel within 400 x 500mm 2). Same material and Thickness. 2). FR-4 Material, Double sided. 3). 1 oz copper weight, 1.6mm thick. 4). Green solder mask /white silkscreen 5). Hot air level finish
Electronics Forum | Tue Dec 09 18:03:39 EST 2008 | davef
First, you cannot determine foil thickness from its weight per area, because there is significant variation in the density of electrodeposited copper. Second, the official IPC specification for minimum thickness is "after" processing by the fabricat
Electronics Forum | Sun Sep 09 21:59:36 EDT 2018 | sanneyyu
we are a PCB house, you can add some patterns at breaktabs or board edge, this can help you easily verify copper weight for every circuit layer.
Used SMT Equipment | Pick and Place/Feeders
Product Details of 3D SPI-6500 Thick Paste Measurement Instrument Product Functions 1, friendly programming interface 2, a variety of measurement methods 3, scan spacing adjustable 4, image 3D simulation function 5, independent 3D dynamic obser
Used SMT Equipment | General Purpose Equipment
Package offers preferred: 1.) Protomat S103 Jetstream Dust Extraction System 4 Replacement Bags 3 new Vacuum table backers 1 used tight tolerance vacuum backer with sinter plate Solder Paste Dispensing attachment Upgraded to new Aluminum work
Parts & Supplies | Circuit Board Assembly Products
1). FR-4 Material 2). 2 layer, 1.2mm thick 3). 5 oz copper weight. 4). LPI Green solder mask/White silk screen 5). Immersion gold over nickle
Parts & Supplies | Circuit Board Assembly Products
1). 24 hours lead time. 2). FR-4 Material, Single sided or Double sided. 3). 1 oz copper weight, 1.6mm thick. 4). Green solder mask /white silkscreen 5). 4/4 mil track/space, 0.3mm minimum holes 6). Hot air level finish
Technical Library | 2021-03-04 15:22:33.0
Copper clad laminates (CCLs) with low dissipation factor (Df) are urgently needed in the fields of high-frequency communications devices. A novel resin matrix of modified poly (2,6-dimethyl-1,4- phenylene ether) (MPPE) and styrene-ethylene/butylene-styrene (SEBS) was employed in the fabrication of high-frequency copper clad laminates (CCLs). The composites were reinforced by E-glass fabrics, which were modified with phenyltriethoxysilane (PhTES). The composite laminates obtained exhibited impressive dielectric loss of 0.0027 at 10 GHz when the weight ratio of MPPE to SEBS was 5:1.
Technical Library | 2024-07-24 01:04:35.0
Quad Flat No Leads (QFN) package designs receive more and more attention in electronic industry recently. This package offers a number of benefits including (1) small size, such as a near die size footprint, thin profile, and light weight; (2) easy PCB trace routing due to the use of perimeter I/O pads; (3) reduced lead inductance; and (4) good thermal and electrical performance due to the adoption of exposed copper die-pad technology. These features make the QFN an ideal choice for many new applications where size, weight, electrical, and thermal properties are important. However, adoption of QFN often runs into voiding issue at SMT assembly. Upon reflow, outgassing of solder paste flux at the large thermal pad has difficulty escaping and inevitably results in voiding. It is well known that the presence of voids will affect the mechanical properties of joints and deteriorate the strength, ductility, creep, and fatigue life. In addition, voids could also produce spot overheating, lessening the reliability of the joints.
Guillotine type V-cut PCB Cutting Machine Product Description 1. For internal strength generates during separation, Minimize it to value under 180uE ,to avoid solder crack or component damage 2. Able to separate edge of V-slot, minimum distance to
Metal Board V-cut PCB Depaneling Machine Guillotine PCB Cutter Features: 1. Less stress ,high cutting quality 2. Suitable for cutting all kinds of PCB material, even for Aluminum and copper material PCBs. 3. Security:the cutting opening is 2mm t
Career Center | Shen Zhen, China | Management,Sales/Marketing
Working in GLORYPCB for 10 years.knowing electronic supply chain very well. especially for PCB PCBA assembly and other Electronic Manufacturing Service.Glorypcb is a professional electronic manufacturer located in Shenzhen with three facilities.offe
Imagineering, Inc. | https://www.pcbnet.com/capabilities/fabrication/tolerances/
. A premium is charged for trace width/spacing less than .005″. For 0.5 oz. finished copper weight: the minimum trace width/space is 0.003″ For 1 oz
| https://pcbasupplies.com/anti-static-1/
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