Presentation 2000/1/21
Analysis of Filling Grooves with Copper for Manufacturing Lines by Electrodeposition
Shigeki HIRASAWA, Tatsuyuki SAITO, Hizuru YAMAGUCHI,
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Abstract(in English) Changes of copper film profiles in trenches or holes on silicon substrates during electroplating were numerically calculated. Five models of inhibition effects for additives were assumed. Electric potential distributions and concentration distributions of additives in liquid were calculated. The calculation results from a model, which assumed that the surface deposition rates depend on growth rate of the base film till that time, were similar to experimental results. Using the model, the effect of the width, the depth and the pitch of grooves and holes on changes film profiles were calculated.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Electroplating / Semiconductor / Copper Interconnects / Profile Simulation / Numerical Analysis / Additives
Paper # SDM99-178
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Committee SDM
Conference Date 2000/1/21(1days)
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Paper Information
Registration To Silicon Device and Materials (SDM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Analysis of Filling Grooves with Copper for Manufacturing Lines by Electrodeposition
Sub Title (in English)
Keyword(1) Electroplating
Keyword(2) Semiconductor
Keyword(3) Copper Interconnects
Keyword(4) Profile Simulation
Keyword(5) Numerical Analysis
Keyword(6) Additives
1st Author's Name Shigeki HIRASAWA
1st Author's Affiliation Mechanical Engineering Research Laboratory, Hitachi, Ltd., Ibaraki()
2nd Author's Name Tatsuyuki SAITO
2nd Author's Affiliation Device Development Center, Hitachi, Ltd., Tokyo
3rd Author's Name Hizuru YAMAGUCHI
3rd Author's Affiliation Device Development Center, Hitachi, Ltd., Tokyo
Date 2000/1/21
Paper # SDM99-178
Volume (vol) vol.99
Number (no) 579
Page pp.pp.-
#Pages 8
Date of Issue