Yield learning model for integrated circuit package /

absolute metrics and compared the results to the qualitative

Bibliographic Details
Main Author: Balasubramaniam, Gaurishankar
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:absolute metrics and compared the results to the qualitative
acheived. Yields can be substantially increased when one can
are very critical to economic success. The integrated
assembly influence on product perfo will reduce the effective
been developed and implemented. Sensitivity analysis was
case studies on the Tape Carrier Package at Intel
chips, product quality control and rapid problem diagnosis
circuit package makes up a large fraction of the total
Corporation, the Plastic Quad Flat Pack and the Ceramic Ball
developed a nonlinear spreadsheet-based model and tuned it to
exposes the sensitivities of factors that were not
factors.
fit as compared to the qualitative model. This model also
Grid Array at IBM, and the Plastic Ball Grid Array at
have also developed a quantitative yield model based on
identify the causes for yield loss. In this research a
In a semiconductor industry, packaging of integrated circuit
making yield predictions, resource allocations, understanding
manufacturers try to improve yields to profitable levels in a
manufacturing cost during assembly. Hence integrated circuit
methodology to predict the yield for package assemblies has
model that we developed. This model demonstrated an improved
Motorola. This model has been used as a management toot for
operating practices and provide what-if analysis. We
performed to isolate the factors that affected yield learning
production cost, and has a major influence on product perfo
rmance and reliability. Increasing the yield in package
short time frame and to maintain the yield once they are
significant in the yield model built with the qualitative
the actual yield values obtained in the assembly line. We
the manufacturing line in each company. We demonstrated the
the most. The yield model was developed after performing
use of these models in industry to accurately predict the
validated our approach by comparing the predicted yield to
yield based on a set of user inputs. We have experimentally
Item Description:"Major subject: Computer Science".
Vita.
Physical Description:x, 40 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.