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3423results about "Anodisation" patented technology

Plated ground features for integrated lead suspensions

A method for forming an electrical interconnect on an integrated lead suspension or suspension component of the type formed from a laminated sheet of material having a stainless steel layer, a conductive lead layer and an insulating layer separating the stainless steel and conductive lead layers. An aperture is formed through at least the insulating layer to expose the stainless steel layer at an interconnect site. An interconnect mask is applied around the interconnect site. Conductive material is electroplated onto the stainless steel layer at the interconnect site to form a plated interconnect. The mask is then removed. The method is used to form an interconnect bond pad on the same side of the stainless steel layer as the conductive lead layer in one embodiment. In another embodiment the aperture is formed through the insulator layer and the stainless steel layer, and conductive material is built up on the stainless steel layer during the electroplating step until it meets and plates onto the conductive lead layer to form a stainless steel side interconnect. In yet another embodiment the aperture is formed through the insulator layer and the conductive lead layer, and conductive material is built up on the stainless steel layer during the electroplating step until it meets and plates onto the conductive lead layer to form a conductive lead side interconnect.
Owner:HUTCHINSON TECH

Controlled degradation magnesium alloy coating bracket and preparation thereof

InactiveCN101214396AImprove mechanical propertiesExcellent pharmacological propertiesAnodisationStentsSurface cleaningPolymer chemistry
The invention relates to a controlled degradation magnesium alloy coating stent and a preparation method. The stent body is made of medical high purity magnesium or magnesium alloy by mechanical processing or laser carving; the stent body is provided with a drug-loading coating which bears curative drug; the surface of the stent body is provided with an anti-corrosive coating; the surface of the anti-corrosive coating is provided with a degradable polymer film drug-loading coating; the preparation method includes surface cleaning, preparation of the degradable polymer film drug-loading coating, and application of curative drug; through (1)surface cleaning, (2)preparation of the degradable polymer film drug-loading coating, and (3)application of curative drug, an oxide film is formed on the surface; different drugs and dosage can be fixed by regulating the molecular weight and the thickness of the polymer layer, the drug-loading quantity is more than 30 percent, which improves the fixed stability of the drug, greatly reduces the degradation speed of the magnesium alloy and controls release of the drug, delays corrosion of the magnesium alloy, extends the service life of the stent, is safe in use, and meets the clinical requirement.
Owner:LEPU MEDICAL TECH (BEIJING) CO LTD
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