Coating Resins for Semiconductor Wafers
SUMIRESIN EXCEL®CRC

Products

Sumitomo Bakelite Co., Ltd. launched the world's first mass production of positive-tone, photosensitive wafer coating resins in 1997. Our products have won high acclaim for meeting many customers' needs with superior properties of high resolution, strong adhesion, low moisture water absorption and environmental safety. Please do not hesitate to contact the sales representative shown below for detailed product information.

Plants

  • Kyushu Sumitomo Bakelite Co., Ltd.

Laboratory

  • Electronic Device Materials Research Laboratory

Features

5 Excellent Features

  • Environmental safety(aqueous developer available to use)
  • High resolution
  • Strong adhesion
  • Excellent film properties
  • Contribution to total cost reduction

Applications

Electrical and Electronic Equipment

Semiconductor Wafers

Buffer Coating Resins for Semiconductor Wafers

SUMIRESIN EXCEL®CRC-8000 series

RDL (Redistribution Dielectric Layer) for WLP (Wafer Level Package)

SUMIRESIN EXCEL® cross-sectional image CRC-8600 series

Specifications

Examples

Semiconductor Wafer (Buffer Coat Layer)

1. High resolution
2. Environmental safety
3. Contribution to total cost reduction
4. Contribution to total cost reduction
5. Strong adhesion to encapsulation material or substrate

Ideal positive-tone photosensitive coating resins with the aforementioned excellent properties
Representative grades "CRC-8300" series, "CRC-8800 series"

Cross-sectional photo (after development)

Cross-sectional photo (after curing)

WLP (RDL)

Excellent properties as RDL for WLP commonly used on mobile electronics

  • High resolution
  • High adhesion to UBM
  • Low moisture uptake (0.9%)
  • Environmental safety
  • High resistance to solvents

Representative grades "CRC-8600", "CRC-8650"

enlarged image

Cross-sectional image

Exhibitions More

Call or email us about our Division/Department.

TEL:
+81-3-5462-4015
FAX:
+81-3-5462-4883

※9:00-17:40 Mon.-Fri. (JST)

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