MCI Recommends direct liquid emulsion for their screens and is able to provide any emulsion thickness build up with a +/- 2um accuracy. The TEKTOmat is a portable compact mechanical tension measuring device for accurate and consistent measurement of a screening media. The most commonly used mesh in hybrid circuit manufacturing today is stainless steel plain weave cloth.
MCI Precision, based in Cambridge, offer a complete range of screen products to support the printed circuit board, medical, hybrid and component manufacturing industries. With a combined 60 years of experience in thick film screen printing technology, our development and manufacturing staff are well-positioned to assist in any aspect of materials and printing technology in support of our customers' production needs.
MCI Precision, based in Cambridge, offer a complete range of screen products to support the printed circuit board, medical, hybrid and component manufacturing industries. With a combined 60 years of experience in thick film screen printing technology, our development and manufacturing staff are well-positioned to assist in any aspect of materials and printing technology in support of our customers' production needs.
Services
MCI Precision (Cambridge) was established in 1982, in partnership with a French company. The company has since come under new management in 2009, but have retained the excellent level of customer service and quality of production that we have always been known for. Within the UK, we are the holders of several prestigious supplier awards and the recognised first choice for hybrid screens.
Recent advances in the chemistry of Indirect Films now make it possible for MCI to supply capillary films in both backed (Direct/Indirect) and un-backed formats. These films exhibit improved performance in several key areas relative to the standard direct emulsion technology. Additionally, when used in conjunction with thin, calendered wire mesh screens, they provide an improved capability for fine line printing.
When ordering a screen or stencil the first step is to clarify which frame specification is required. MCI uses two types of frames. The most common are lightweight cast aluminium, drilled and taped for mounting in all types of automatic or semiautomatic printers. It is machined flat and parallel to assure planarity between mesh and substrate.
Screens are supplied in a raw state to allow the customer the freedom of applying their own preferred emulsions. MCI use, two types of emulsions. The first being liquid emulsions which are applied by hand coating. This is a very skilled process where the thickness is maintained to +/- 2 microns. This method of coating allows for any specified thickness on all mesh types between 5 and 100 microns.
The mesh will flex enough to allow for printing in the off -contact as will as on contact mode. In most cases, a 25mm minimum border of mesh will be provided around the perimeter of the metal stencil. Laser stencil masks from MCI are available on our standard aluminium frames and on all frames provided by customers.
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