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New Photo-mask before bonding

New Photo-mask before bonding. Overlap region can be seen with even eyes Good for Si piece alignment while bonding . Center was over exposed with 15nA writing. Si was firmly bonded. Metal stacking for PL pattern: Ti/Ni=80nm/400nm

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New Photo-mask before bonding

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  1. New Photo-mask before bonding • Overlap region can be seen with even eyes • Good for Si piece alignment while bonding • Center was over exposed with 15nA writing

  2. Si was firmly bonded • Metal stacking for PL pattern: Ti/Ni=80nm/400nm • Metal stacking for EBL pattern: Ti/Ni/Ti/Ni=30nm/300nm/50nm/100nm (blocking total consumption of Ni)

  3. Si Removed

  4. Si Removed

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