TOK ST-120 thick-resist stripping solution
Tokyo Ohka Kogyo Co., Ltd. · Material properties and interface engineering
- Purpose
- Check whether suspected resist residues are accessible and relevant to stripping before linking removal to contact resistance.
- Technical approach
- ST-120 chemically strips thick-film resists and permits water rinsing; the supplier describes low metal damage.
- Scope of use
- For accessible positive/negative thick-resist removal, with actual resin, thermal history and metal/dielectric compatibility validated.
- Limitations and open questions
These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitationsIt cannot expose buried interfaces or repair formed contacts. Low damage is not zero corrosion, and example conditions are not universal recipes.
What to prepareBLNKK suggests gathering resist grade/thermal history, residue locations, stack materials, current soak/rinse processes and residue/contact-resistance baselines.
Confirm with the supplierConfirm applicable resists, solution use/replacement, temperature/time and rinsing, plus criteria for residue, metal damage and electrical comparisons.
- Public evidence
- The named body/table describes stripping and rinsing, not residuals, corrosion or contact-resistance results for this RDL.
Contact the supplier
Find the company’s contact details and ask about this solution through its official channels.
Related engineering problems
These links use established solution relationships. Continue to engineering conditions and evaluation preparation.
BLNKK organizes information from public sources. A company profile does not imply a documented solution. Applicability still needs confirmation against your samples and engineering conditions.