Invention Grant
- Patent Title: Inspection of microelectronic devices using near-infrared light
- Patent Title (中): 使用近红外光检测微电子器件
-
Application No.: US14229824Application Date: 2014-03-28
-
Publication No.: US09488595B2Publication Date: 2016-11-08
- Inventor: Liang W. Zhang , Zhihua Zou , Osborne A. Martin, III , Robert F. Wiedmaier
- Applicant: Liang W. Zhang , Zhihua Zou , Osborne A. Martin, III , Robert F. Wiedmaier
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Blakely, Sokoloff, Taylor & Zafman LLP
- Main IPC: G01N21/95
- IPC: G01N21/95 ; G01B11/16 ; G01L1/24 ; G01N21/88 ; H01L21/66

Abstract:
Inspection of microelectronic devices is described using near infrared light. In one example, a dielectric material layer on a substrate is illuminated with a near infrared light beam. The substrate has at least one contact land, the dielectric material layer overlies at least a portion of the contact land, and the substrate has at least one via defined in the dielectric material layer, the via exposing at least a portion of the contact land. Reflected near infrared light is reflected from the substrate at a camera. The position of the via is determined relative to the contact land from the reflected light beam using an image processing device.
Public/Granted literature
- US20150276621A1 INSPECTION OF MICROELECTRONIC DEVICES USING NEAR-INFRARED LIGHT Public/Granted day:2015-10-01
Information query