Multilayer Circuits Suppliers interconnect microvia for PCB or Printed Circuit Boards

... of | PRINTED CIRCUIT BOARDS | : Of course UL-certified ! What means UL? The letters UL stand for Underwriters Laboratories Inc., this organization | MULTILAYER CIRCUITS SUPPLIERS | is an independent, not-for-profit product-safety testing and certification organization. In the beginnings of UL more than 100 years ago stood questions in the range of | MULTILAYER CIRCUITS SUPPLIERS | fire-protection-mechanisms in the foreground. Today all possible products, materials, constructions and systems are tested and evaluated regarding their electrical danger as well as their danger | MULTILAYER CIRCUITS SUPPLIERS | of accident and fire. And in addition there were examined alarm systems and the ability to discover, control and prevent fire. UL develops safety regulations, | MULTILAYER CIRCUITS SUPPLIERS | which are taken over frequently as ANSI standards. Underwriters Laboratories certify and register customers according to ISO 9000. What means this indication for the Microcirtec | MULTILAYER CIRCUITS SUPPLIERS | GmbH and their customers? Products with this indication have international a higher acceptance. Many customers wish or demand a UL marking. The ...
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... included. | SELECTED CAPABILITIES: | Archiving Process Data Drill- / Milling Program Archiving Customer Data Production Data Conversion E-Test optional Design Check UL - | MULTILAYER CIRCUITS SUPPLIERS | Listing optional Design Adjustment Further Options | TECHNICAL SPECIFICATION: | Delivery: in Single Board Format as well as in Panelized Board Arrays and Sub-Arrays with | MULTILAYER CIRCUITS SUPPLIERS | / without Fixing Tabs finished by Milling and Scoring to size. M| ILLING-COORDINATES [-?-]: | One with Milled Outline. One MAA-Unit (MAA-U) is made up | MULTILAYER CIRCUITS SUPPLIERS | of 20 MAA´s Data-Base Format: Gerber, ODB++, DPF Type of the Base Material: FR 4 Amount of Layers: 1, 2, 4, 6 Surface Protection: HAL | MULTILAYER CIRCUITS SUPPLIERS | Layer Build-Up: | ELECTRICAL TESTING: | Flying Probe or Adaptor Final Thickness of PCB: 1,55 mm to 2,40 mm Junction in Line-Production: Yes Min. Track | MULTILAYER CIRCUITS SUPPLIERS | Width + Spacing: 150µ / 150µ Smallest pad: 0,80 mm Min PCB-Length / With: 10 x 10 mm Min. finished Hole Size: 0,30 mm Min | MULTILAYER CIRCUITS SUPPLIERS | Milling Tool: 2,00 mm Final Copper Thickness: 35µ + 70µ UL- Listing: - On desire- Additional ...
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... billion - up another 50 percent over 2000. These same data show Japan as the microvia leader, followed by Europe, Asia, and North America. | MULTILAYER CIRCUITS SUPPLIERS | Several factors contribute to this remarkable expansion, the most important being the steadily increasing interconnect density of PCBs. Microvias have become an attractive interconnect alternative | MULTILAYER CIRCUITS SUPPLIERS | when the wiring density on a PCB approaches 160 I/Os per sq. in.2 Viewed another way, a typical PCB in 1997 averaged about 485 I/Os | MULTILAYER CIRCUITS SUPPLIERS | per sq. in., whereas this year the lead density should average close to 1,800 leads/sq. in. for multilayer PCBs.3,4 Space-efficient routing between layers is necessary | MULTILAYER CIRCUITS SUPPLIERS | due to increased densities and reduced dependence on through-hole technology. Area-array packages such as BGAs, CSPs, and flip chips shift the burden of interconnect fan-out | MULTILAYER CIRCUITS SUPPLIERS | to the PCB, increasing the need for higher wiring capacity. As the form factor for such devices continues to shrink and I/O density mushrooms, the | MULTILAYER CIRCUITS SUPPLIERS | size and density of HDI microvias ...
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