Laminate substrate containing fiber optic cables
AssigneeInternational Business Machines Corporation
InventorsVoya R. Markovich, Sandeep B. Sane, Sanjeev Sathe
Life of this patent
Estimating the term…
Abstract
A method and an article made by a method for embedding optical fibers into an organic laminate structure. The optical fiber cabling, along with its cladding, is placed upon a first laminate layer that includes a composite made of silica fillers and a frictionless material such as polytetrafluoroethylene (PTFE). Then a second layer of PTFE material with silica fillers and copper sheeting is placed on top of the PTFE with silica fillers composite. The PTFE material with silica fillers flows about the optical fibers at a temperature approximately fifty degrees above the PTFE with silica fillers material's melting point. This procedure completely encases the optical fibers within an opaque sheath.
Claims16
An organic BGA laminate structure for use in an optical-electronic component, comprising:
- a core;
- and
- a plurality of optically isolated, optic fiber cables disposed adjacent said core and sheathed in an opaque material comprising silica fillers and a frictionless material such as polytetrafluoroethylene (PTFE), said optically isolated optic fiber cables being embedded within said organic laminate structure.
An organic BGA laminate structure for use in an optical-electronic component, comprising:
- a core;
- and
- a plurality of optically isolated, optic fiber cables disposed adjacent said core and sheathed in an opaque material, said optically isolated, optic fiber cables being embedded in tension alignment within said organic laminate structure.
A method of fabricating a BGA laminate structure, comprising the steps of:
- disposing a plurality of optical fibers within a laminate structure during a laminating procedure that comprises applying pressure and heat;
- flowing opaque, optically isolating sheathing material about said optical fibers during said laminating procedure;
- and
- maintaining said optical fibers in tension during said laminating procedure.
A method for forming a optical fiber-containing layer in a multi-layer, BGA laminate, the steps comprising:
- a) providing a first laminate layer comprising a composite of silica filler and a frictionless material;
- b) placing at least one optical fiber thereupon;
- c) placing a second laminate layer comprising a composite of silica filler and a frictionless material over said at least one optical fiber;
- d) applying pressure to an upper and a lower outside surface of said first and said second laminate layers sandwiching said at least one optical fiber;
- and
- e) while performing said applying pressure step (d), heating said first and said second laminate layers sandwiching said at least one optical fiber to a temperature at which said frictionless material flows around said at least one optical fiber, thereby substantially completely enclosing said at least one optical fiber in an opaque sheath.
Dependencies are inferred from the claim text.