Printed Circuit Boards Industry Internet supported Online Manufacturing Circuit Boards

... > TERMINOLOGY AND TERMS OF PRINTED CIRCUIT BOARDS | | REFLOWING | The melting of an electrodeposit followed by solidification. The surface has the | PRINTED CIRCUIT BOARDS INDUSTRY | appearance and physical characteristics of being hot dipped. | REGISTRATION | The degree of conformity of the position of a pattern, or a portion thereof, | PRINTED CIRCUIT BOARDS INDUSTRY | with its intended position or with that of any other conductor layer of a board. | RESIN EPOXY-MATERIAL | used for impregnating glass weave. | | PRINTED CIRCUIT BOARDS INDUSTRY | RESIN | Recession The presence of voids between the barrel of the plated-through hole and the wall of the hole, seen in microsections of plated-through | PRINTED CIRCUIT BOARDS INDUSTRY | holes in boards exposed to high temperatures. | RESIN SMEAR | Resin transferred from the base material onto the surface or edge of the conductive | PRINTED CIRCUIT BOARDS INDUSTRY | pattern normally caused by drilling. Sometimes called Epoxy Smear. | RESIST COATING MATERIAL | used to mask or to protect selected areas of a pattern | PRINTED CIRCUIT BOARDS INDUSTRY | from the action of an etchant solder, or plating. | RING VOIDS | The absence of substance in a ...
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... of the PCBs is started immediatedly afterwards. The time after drying should not exceed 48 hours not to rise the risk of delamination again. | PRINTED CIRCUIT BOARDS INDUSTRY | | FORMING MICROVIAS |. (Demand for small holes is ramping, with CO2 lasers leading the way) Thanks largely to the proliferation of smaller, more complex | PRINTED CIRCUIT BOARDS INDUSTRY | electronics devices such as cell phones, personal digital assistants, and notebook computers, the PCB industry is experiencing an overwhelming rise in demand for high-density interconnect | PRINTED CIRCUIT BOARDS INDUSTRY | structures (HDIS). The demand for HDIS translates directly into a vigorous market for the microvias used in many of these multilayer substrates as well as | PRINTED CIRCUIT BOARDS INDUSTRY | in conventional PCBs. In 1998, for example, the worldwide microvia market made up about four percent of the total multilayer PCB market. By 2007 that | PRINTED CIRCUIT BOARDS INDUSTRY | market share is expected to expand to nearly 30 percent Worldwide, | THE TOTAL MICROVIA MARKET | approached $4 billion in 2000 - up 63 | PRINTED CIRCUIT BOARDS INDUSTRY | percent over 1999 (Figure 2).1 By the end of 2001 the market should ...
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... | PLATING RESISTS MATERIALS | which, when deposited on conductive areas, prevent the plating of the covered areas. Resists are available both as screened-on | PRINTED CIRCUIT BOARDS INDUSTRY | materials and as dry film photopolymer resists. Galvano Resist Materialien, die auf der Kupferfolie oder über den Bohrungen eines Basismaterials aufgebracht werden, um an den | PRINTED CIRCUIT BOARDS INDUSTRY | Stellen, wo sie die Oberfläche bedecken, eine galvanische Abscheidung zu verhindern. Resiste mit dieser Funktion sind entweder als Siebdruckfarbe, als Gieß- oder Tauchlack und als | PRINTED CIRCUIT BOARDS INDUSTRY | Trockenpolymerfilm erhältlich. | PLATING VOID | The area of absence of a particular metal from a specific cross- sectional area. Poren im galvanischen Überzug Lokales | PRINTED CIRCUIT BOARDS INDUSTRY | Fehlen eines leitenden Metalls in einer speziellen Zone. | POLARIZING SLOT | A slot, at the edge of a PCB, used to assure proper insertion | PRINTED CIRCUIT BOARDS INDUSTRY | and location in a mating connector. Unverwechselbarkeits-Nut Fixieröffnung, Bohrung am Rande einer Leiterplatte, um eine gute Steckverbindung mit ihr in einem Gehäuse / ...
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