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... COMMON FAILURE: | Dear Sir or Madam, welcome to our client-service-forum for | PRINTED CIRCUIT BOARDS |! Here we have chosen specific topics you | CIRCUIT BOARDS | have ask for to help you finding a suitable answer. Please click a topic below to view frequently asked questions in that topic. Error Highlights | CIRCUIT BOARDS | > Do you have a list with tips, in order to avoid errors in the apron? | DIN EN ISO 9001:2000 > ARE YOU CERTIFIED? | CIRCUIT BOARDS | | | HOTSHOT > DO YOU OFFER SUCH A SERVICE? | Methods of Shipment > Which modes of shipment do you offer? Standard lead times | CIRCUIT BOARDS | > Surcharge? UL-Approval > What and for which is that? Delivery in Panelized Boards (PB) > What is to be considered? Design Rule Check (DRC) | CIRCUIT BOARDS | > What is that? MAA's Basic Jet Line> What are MAA's and how can i calculate this? Multi-Panel (MP) > What is that and which | CIRCUIT BOARDS | one must consider? Surface (2) > RoHS-Compliance (leadfree)? Test Points > How can i calculate the test points? Working Days > What is your definition | CIRCUIT BOARDS | of a working day? You may also be interested ...
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... smeared onto the edge of the inner layer copper pads whilst drilling. The smear is the result of a hot drill melting the epoxy | CIRCUIT BOARDS | resin and spreading it across the hole wall during its up and down motion. The epoxy smear causes poor and in some cases non electrical | CIRCUIT BOARDS | continuity to the innerlayers as well as poor adhesion of the plated copper to the hole wall. In desmear, the chemical attack is designed to | CIRCUIT BOARDS | remove only the surface smear of resin from the hole wall, without attacking the wall structure itself. For most needs desmearing is sufficient whilst for | CIRCUIT BOARDS | some military applications it is necessary to etchback 75mm for what is referred to as 3 point contact. Etchback is a stronger chemical attack than | CIRCUIT BOARDS | desmearing. It is designed to remove not only the smeared resin, but also additional resin from the wall structure and the remaining protruding glass fibres. | CIRCUIT BOARDS | There are various methods of desmearing and etchback available to multilayer manufacturers. Permanganate works on the principle of ...
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... resellers. Take the chance of our | RESELLER-DISCOUNT-PROGRAM |: Our core business ranges from single sided up to 14-layer Multilayer Boards manu- factured in | CIRCUIT BOARDS | various technologies by meeting customer´s expectations with regard to quality, costs, service and performance, the most prominent of which is the Delivery-On- Time- System providing | CIRCUIT BOARDS | quick-turn-arounds for prototypes as well as for volume demand (RMP Rapid Massive Production). | WE ARE SEARCHING FOR RESELLERS | doing business in assembly, System | CIRCUIT BOARDS | Providers (EMS), PCB-Manufacturers and Dealers, who like to extend and improve their product range and services. Your benefit is an attractive discount on all quotes. | CIRCUIT BOARDS | An individual | “ONLINE-DIRECT-PROCUREMENT-SYSTEM” | enables you to do your quotation and ordering conveniently within seconds, a real unique system in the PCB industry. - | CIRCUIT BOARDS | a definite benefit by price discount - additional bonus system - all profits of the Online-Direct-Procurement-System - extended quotations for volume ...
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