Patents Assigned to DDI Global Corp.
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Publication number: 20140047709Abstract: Systems and methods of manufacturing printed circuit boards using blind and internal micro vias to couple subassemblies. An embodiment of the invention provides a method of manufacturing a printed circuit including attaching a plurality of metal layer carriers to form a first subassembly including at least one copper foil pad on a first surface, applying an encapsulation material onto the first surface of the first subassembly, curing the encapsulation material and the first subassembly; applying a lamination adhesive to a surface of the cured encapsulation material, forming at least one via in the lamination adhesive and the cured encapsulation material to expose the at least one copper foil pad, attaching a plurality of metal layer carriers to form a second subassembly, and attaching the first subassembly and the second subassembly.Type: ApplicationFiled: October 28, 2013Publication date: February 20, 2014Applicant: DDi Global Corp.Inventors: Rajesh Kumar, Monte P. Dreyer, Michael J. Taylor
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Patent number: 8567053Abstract: Systems and methods of manufacturing printed circuit boards using blind and internal micro vias to couple subassemblies. An embodiment of the invention provides a method of manufacturing a printed circuit including attaching a plurality of metal layer carriers to form a first subassembly including at least one copper foil pad on a first surface, applying an encapsulation material onto the first surface of the first subassembly, curing the encapsulation material and the first subassembly; applying a lamination adhesive to a surface of the cured encapsulation material, forming at least one via in the lamination adhesive and the cured encapsulation material to expose the at least one copper foil pad, attaching a plurality of metal layer carriers to form a second subassembly, and attaching the first subassembly and the second subassembly.Type: GrantFiled: June 3, 2011Date of Patent: October 29, 2013Assignee: DDI Global Corp.Inventors: Rajesh Kumar, Monte P. Dreyer, Michael J. Taylor
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Patent number: 8510941Abstract: Printed circuit boards have circuit layers with one or more via filled holes with copper wraps and methods of manufacturing the same. An embodiment of the present invention provides a method to enhance the consistency of the wraparound plating of through-hole vias of printed circuit boards with (requiring) via filling to provide extra reliability to the printed circuit boards and enables the designers and/or manufacturers of printed circuit boards to design and manufacture boards with relatively fine features and/or tight geometries.Type: GrantFiled: February 17, 2012Date of Patent: August 20, 2013Assignee: DDI Global Corp.Inventor: Rajwant Singh Sidhu
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Patent number: 8453322Abstract: Methods of manufacturing at least a portion of a printed circuit board. The circuit board is formed to include a plurality of sub-assemblies, each of the sub-assemblies including a plurality of circuit layers and having at least one countersink and at least one hole, the countersink having a first diameter and a first depth from a first side of at least one of the sub-assemblies and into the at least one sub-assembly, the hole having a second diameter smaller than the first diameter and a second depth longer than the first depth from the first side of the at least one sub-assembly and into the at least one sub-assembly at the countersink; a metal metalized within the hole and the countersink; a lamination adhesive interposed between one and a corresponding one of the sub-assemblies and having at least one via formed therethrough; and a counter paste filled within the via.Type: GrantFiled: August 11, 2009Date of Patent: June 4, 2013Assignee: DDI Global Corp.Inventors: Raj Kumar, Monte Dreyer, Michael J. Taylor, Ruben Zepeda
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Patent number: 8250751Abstract: Printed circuit boards have circuit layers with one or more copper filled through-holes and methods of manufacturing the same. An aspect of an embodiment of the present invention enhances thermal characteristics of filled through-holes of printed circuit boards to provide extra reliability to the printed circuit boards. In one embodiment, a printed circuit broad has a plurality of through-holes to connect copper patterns on different layers of the printed circuits broad. Here, at least one of the through-holes is copper plated closed at both ends with at least 70% volume of the through-hole plated with copper to, e.g., enhance thermal characteristics of the through-hole, thereby providing extra reliability to the printed circuit board. In one embodiment, the printed circuit board includes a surface conductor (or cap) that is directly plated over the copper filled barrel plated through-hole.Type: GrantFiled: February 20, 2008Date of Patent: August 28, 2012Assignee: DDi Global Corp.Inventors: Rajwant Sidhu, Paul Walker
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Publication number: 20120144667Abstract: Printed circuit boards have circuit layers with one or more via filled holes with copper wraps and methods of manufacturing the same. An embodiment of the present invention provides a method to enhance the consistency of the wraparound plating of through-hole vias of printed circuit boards with (requiring) via filling to provide extra reliability to the printed circuit boards and enables the designers and/or manufacturers of printed circuit boards to design and manufacture boards with relatively fine features and/or tight geometries.Type: ApplicationFiled: February 17, 2012Publication date: June 14, 2012Applicant: DDI GLOBAL CORP.Inventor: Rajwant Singh Sidhu
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Patent number: 8156645Abstract: Printed circuit boards have circuit layers with one or more via filled holes with copper wraps and methods of manufacturing the same. An embodiment of the present invention provides a method to enhance the consistency of the wraparound plating of through-hole vias of printed circuit boards with (requiring) via filling to provide extra reliability to the printed circuit boards and enables the designers and/or manufacturers of printed circuit boards to design and manufacture boards with relatively fine features and/or tight geometries.Type: GrantFiled: June 5, 2008Date of Patent: April 17, 2012Assignee: DDi Global Corp.Inventor: Rajwant Singh Sidhu
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Patent number: 8020292Abstract: Methods of manufacturing printed circuit boards using parallel processes to interconnect with subassemblies are provided. In one embodiment, the invention relates to a method of manufacturing a printed circuit board including providing a core subassembly including at least one metal layer, providing a plurality of one-metal layer carriers after parallel processing each of the plurality of one-metal layer carriers, and attaching at least two of the plurality of one-metal layer carriers with each other and with the core subassembly.Type: GrantFiled: April 30, 2010Date of Patent: September 20, 2011Assignee: DDI Global Corp.Inventors: Rajesh Kumar, Monte P. Dreyer, Michael J. Taylor