LOCTITE ABLESTIK 84-1LMISR4

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

Loctite Ablestik 84-1LMISR4

Main features

  • Excellent dispense capabilities
  • Stencil printable
  • Bare Copper Substrate

Product Description

LOCTITE ABLESTIK 84-1LMISR4 electrically conductive, halogen free, die attach adhesive has been formulated for use in high throughput, automated die attach equipment. The rheology of ABLESTIK 84-1LMISR4 adhesive allows minimum adhesive dispense and die put down dwell times, without tailing or stringing problems. 

LOCTITE ABLESTIK 84-1LMISR4 is a manufacturer's product of choice, can be used for LED applications and like most epoxies it is suitable for bare Copper substrates and small die sizes. Interested in higher conductivity? Then you might want to consider 8060T or even 8064T for larger dies.

LOCTITE ABLESTIK 84-1LMISR4 can be applied by stamping, stencil or dispensing and it should present sufficient stiffness to allow wire bonding. Its unique combination of adhesive properties makes this material one of the most widely used die attach materials in the semiconductor industry.

Cure Schedule

  • 1 hour @ 175°C
Product Family

84-1LMISR4

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Catalog Product

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Packaging
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TDS, SDS & Technical Documents
  • LOCTITE ABLESTIK 84-1LMISR4
    English (Technical Data Sheet (TDS))
  • LOCTITE ABLESTIK 84-1LMISR4 Halogen Free
    English (Technical documents)
  • LOCTITE ABLESTIK 84-1LMISR4 known as 84-1 LMISR4 5cc EFD LL 18 G NL-MSDS_UT_NL
    Dutch (Safety Data Sheet (SDS))
  • LOCTITE ABLESTIK 84-1LMISR4 known as 84-1 LMISR4 5cc EFD LL 18 G NL-MSDS_UT_EN
    English (Safety Data Sheet (SDS))
  • CAPLINQ Die Attach Paste Handling Guide
    English (Technical documents)

Technical Specifications

General Properties
Density (g) Density (g)
3.5 g/cm3
Work life @25°C Work life @25°C
18 hours
Thermal Properties
Glass Transition Temperature (Tg) Glass Transition Temperature (Tg)
120 °C
Specific Heat Capacity Specific Heat Capacity
0.7 J/(g⋅°C)
Thermal Conductivity Thermal Conductivity
2.5 W/m.K
Chemical Properties
Moisture absorption Moisture absorption
0.6 %
Water Extract Conductivity Water Extract Conductivity
≤2.0 Ohm
Physical Properties
Thixotropic index Thixotropic index
5.6
Viscosity Viscosity
8,000 mPa.s

Additional Information

DMA Curve of 84-1LMISR4

DMA Curve of 84-1LMISR4

Can I cure 84-1LMISR4 at 120°C?

We have been discussing the possibility to cure 84-1LMISR4 at 120 °C with multiple Henkel applications engineers and we do not recommend this approach as it is very risky. The official Henkel recommendation is a minimum cure temperature of 125 °C.

We fear that a combination of an SR4 batch with relatively low reactivity (but within spec), and a cool spot in the curing oven might occasionally fail to “kick-off” the curing reaction.

The syringe size limits me due to the pot life. What can I do?

If you are worried about waste because the equipment can only use X grams of glue in an 8-hour shift, then it may be possible to buy some empty syringes/piston kits from Nordsen/EFD and transfer part of the adhesive from the larger syringe into an empty syringe. It requires a “tip-to-tip” adaptor (which can be washed & re-used), an airline with a regulator, and takes only a couple of minutes. This way you can "ration" the product without too much waste.

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