OPTOCAST Series

Recognized as a world leader in UV cure adhesive technology, EMIUV offers the complete line of OPTOCAST adhesives. All OPTOCAST products are designed for fast, precision bonding and aligning of optoelectronic devices and components. The products feature low stress, optical clarity, minimal shrinkage upon cure, extremely low CTE values, and excellent moisture resistance. Available in a wide range of physical properties and curing options that include UV, UV and thermal cure, and two component systems, there is an OPTOCAST adhesive product for virtually any optoelectronic application or manufacturing process.

Attention: please specify the relevant OPTOCAST series number (e.g. OPTOCAST 3725) with your order.

Click on Tabs below for Additional Product Information:

Features & Benefits

Feature

Benefit
Fast cure Allows for high speed production and automated processes.
No primers required Minimal chance for errors and faster process.
Little or no odor Better manufacturing environment.
Low CTE Maintain stability of alignments throughout temperature cycling.
Low shrinkage Maintain critical alignments during cure.
Low out-gassing Prevents contamination inside sealed or hermetic packages.
Low ionics Prevents corrosion or contamination.
Low moisture absorption Good performance in high temperature / high humidity.

Optocast 3400

The OPTOCAST 3400 series products are UV and thermal cure epoxy systems designed for the precision mounting and fixturing of optoelectronic components. All feature low CTE, minimal shrinkage and excellent moisture resistance. Contact Alpha UV Systems for additional products and variations not listed below.
Product Viscosity CTE ppm / °C Max Filler Particle Size μm Tg °C
3400 175,000 18 100 150
3405 11,000 50 100 100
3408 40,000 14 12 150
3410 150,000 14 24 150
3411 15,000 22 100 150
3415 100,000 12 100 150

Please note: for additional detailed technical information and data on OPTOCAST products, please contact Alpha UV Systems. All data in this bulletin is based on our own research and the research of others. They are believed to be accurate, however no guarantee of accuracy is made. Product description is sold without warranty except conformity to specification and on condition that the purchasers shall determine suitability for their particular purpose.

Optocast 3500

The OPTOCAST 3500 series products are UV cure epoxy adhesive systems with excellent optical, moisture, and shrinkage properties. OPTOCAST 3500 series products are also available with a secondary thermal cure designated as “-HM”. Contact Alpha UV Systems for additional products and variations not listed below.
Product Viscosity CTE ppm / °C Refrac. index Tg °C
3505 400 60 1.52 150
3527 1,200 55 1.51 140
3514 500 60 1.51 -10
3553 1,000 55 1.52 140

Please note: for additional detailed technical information and data on OPTOCAST products, please contact Alpha UV Systems. All data in this bulletin is based on our own research and the research of others. They are believed to be accurate, however no guarantee of accuracy is made. Product description is sold without warranty except conformity to specification and on condition that the purchasers shall determine suitability for their particular purpose.

Optocast 3700

The OPTOCAST 3700 series products are UV acrylic adhesive systems that feature extremely fast cure, good optical properties and adhesion to a variety of both organic and inorganic substrates. Contact Alpha UV Systems for additional products and variations not listed below.
Product Viscosity CTE ppm / °C Refrac. index Tg °C
3718 50 90 1.473 60
3723 5,000 90 1.475 40
3724 70,000 90 1.475 35
3725 8,000 70 1.48 55
3741 50,000 16 N/A 100
3761 8,500 50 1.52 95

Please note: for additional detailed technical information and data on OPTOCAST products, please contact Alpha UV Systems. All data in this bulletin is based on our own research and the research of others. They are believed to be accurate, however no guarantee of accuracy is made. Product description is sold without warranty except conformity to specification and on condition that the purchasers shall determine suitability for their particular purpose.

Thermal

EMI also offers a wide range of thermal cure adhesive products for applications in which a UV cure process may not be suitable or desired. Different viscosities, Tg’s, CTE’s, and cure profiles are available. Contact Alpha UV Systems for additional products and variations not listed below.
EMIUV Product Parts Viscosity Tg °C
OPTOCAST 3663 1 5,000 95
DIEBOND 4460 2 10,000 110
EMCAST 4252 1 100,000 135
mCAST 7389 2 5,000 65
mCAST 7390 2 5,000 95

Please note: for additional detailed technical information and data on OPTOCAST products, please contact Alpha UV Systems. All data in this bulletin is based on our own research and the research of others. They are believed to be accurate, however no guarantee of accuracy is made. Product description is sold without warranty except conformity to specification and on condition that the purchasers shall determine suitability for their particular purpose.

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