WAFER PROTECTIVE TAPE: SPECIFY BACK-GRINDING AND RELEASE REQUIREMENTS
Editable planning/verification record — Yenra
Updated: October 2, 2026
Article: https://yenra.com/protective-tape-semiconductor-manufacturing/

Purpose: Prepare a tape evaluation brief covering wafer topography, support, process compatibility, release, residue, and post-process inspection.
Intended reader: Semiconductor process engineers and materials qualification teams

HOW TO USE
Save a working copy. Enter the actual specification, units, assumptions and evidence references in each field. Preserve original observations and record changes. Have the responsible reviewer resolve missing or conflicting requirements before release. Examples below are fictional teaching inputs, not process settings or acceptance standards.

RECORD
1. Wafer material/diameter, device surface/topography and incoming condition:
   ____________________________________________________________

2. Starting and target thickness; bow/warp and thickness-map requirements:
   ____________________________________________________________

3. Tape grade/lot, layer construction, shelf life and storage history:
   ____________________________________________________________

4. Lamination equipment and supplier-approved application window:
   ____________________________________________________________

5. Grinding/cleaning conditions and supported-wafer handling route:
   ____________________________________________________________

6. Release mechanism, equipment, approved settings and traceable actual record:
   ____________________________________________________________

7. Particle/residue/ionic or other contamination criteria and measurement methods:
   ____________________________________________________________

8. Pre/post images, thickness-map locations, edge damage and electrical evidence:
   ____________________________________________________________

9. Control/candidate lots, unique wafers affected and defects per wafer:
   ____________________________________________________________

10. Deviations, yield basis, supplier response and qualification boundaries:
   ____________________________________________________________


WORKED EXAMPLE AND LIMITS
FICTIONAL: At the specified sampled locations on one wafer, minimum measured thickness is 99 micrometers and maximum is 103 micrometers. Sampled range = 4 micrometers. That range describes only the agreed sampling map and method; it leaves unsampled locations and measurement uncertainty to be considered. Tape acceptance also requires the separate release, contamination and damage criteria.

REVIEW
Prepared by / date: ____________________
Reviewed by / date: ____________________
Open issues, responsible owner, due date: ____________________
Approved next action and evidence: ____________________

SOURCE CONTEXT
These primary references support the linked article. Use exact applicable product, contract, and document versions for operational work.
Mitsui Chemicals ICT Materia describes ICROS tape constructions
https://www.mcictm.com/icros/
Nitto's ELEP HOLDER lineup
https://www.nitto.com/us/en/products/semicon/backgrinding001/

Return to the guide: https://yenra.com/protective-tape-semiconductor-manufacturing/