Method for making heat sink vacuum
US6257310A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1999 |
| Grant date | Jul 10, 2001 |
| Priority date | — |
| Expiry date | Aug 19, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D19/0072
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for forming a heat transfer apparatus wherein a conduit construct is formed between first and second construct ends and is disposed in a mold cavity with the first and second ends extending from the cavity, air is removed from the construct, body material in molten fluid form is provided in the cavity so as to cover the construct and the molten material is permitted to solidify. In addition, the invention includes a manganese/nickel barrier material which is placed on a conduit construct prior to introducing molten material into the cavity to reduce bubbles in the sink. The invention also includes a system for maintaining heat sink temperature despite fluctuating amount of heat generated by devices mounted to or adjacent a sink wherein the system includes a temperature sensor, a controller and a regulator, the controller controlling the regulator as a function of feedback signals received from the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.