Medium-temperature cured conductive slurry specially used for AlSiC LED support

Abstract

The invention belongs to a preparation technology of an electronic slurry and specifically relates to a medium-temperature cured conductive slurry specially used for an AlSiC LED support. The conductive slurry is uniform in distribution, great in stability, lower in sintering temperature and great in conductivity. The medium-temperature cured conductive slurry specially used for the AlSiC LED support includes a conductive function phase and a carrier phase. The conductive function phase is silver particles, and the carries phase is made of raw materials in the following mass percentage: 2-10% of a dispersant, 5-10% of a flatting agent, 2-5% of a thixotropic agent and 2-10% of a thickening agent, the remaining being a solvent. The silver particles occupy 30-80% of a total mass percentage and are prepared through a specific preparation method.

Description

1. Technical field:

[0001] The invention belongs to the preparation technology of electronic paste, and in particular relates to a medium-temperature curing conductive paste specially used for AlSiC LED brackets. 2. Background technology:

[0002] Electronic paste is an electronic functional material integrating material, chemical industry, electronic packaging and metallurgy. It is the basic material for hybrid integrated circuits, SMT packaging, sensor devices and various functional devices. It occupies an important position in the field of electronic information with the characteristics of high quality and advanced technology, and is widely used in many fields such as aerospace and automobile industry.

[0003] As a basic electronic material with specific functions (such as conductivity, insulation, resistance, etc.), electronic paste usually includes three parts: functional phase, binder phase, and carrier. The traditional paste needs a high sintering temperature ...

Images