Loctite Ablestik 84-1LMI from Henkel (Ablebond 84-1LMI)

Adhesive manufacturer Henkel offers various die attach adhesives, including the electrically conductive adhesive Loctite Ablestik 84-1LMI (paste), also known as Ablebond 84-1LMI.

In the following article, we explain what die attach adhesives are, what they are used for and introduce the die attach adhesive Loctite Ablestik 84-1LMI, which is also available from the authorized distributor, the abovo online store.

Die-Attach adhesives from Henkel

Die attach adhesives are used in particular in semiconductor and printed circuit board assembly, where these adhesives ensure the structural integrity of the semiconductors and printed circuit boards, among other things.

But what does die attach actually mean? In the semiconductor industry, “die” refers to a single unpackaged semiconductor chip, while “attach” is the English word for “fasten”.

Die attach adhesives from Henkel are available in the form of pastes and films. A distinction is made between conductive and non-conductive die attach pastes and films. As a special type of die attach adhesives, there are fully sintered and semi-sintered die attach adhesives.

Loctite Ablestik 84-1LMI (Ablebond 84-1LMI)

The Loctite Ablestik 84-1LMI adhesive from Henkel, also known as Ablebond 84-1LMI, is an epoxy-based die-attach adhesive. It was specially developed for bonding microelectronic chips (chip bonding).

You may also be interested in the following article: “SMD adhesive from Loctite (SMA, Chip Bonder)“

Loctite Ablestik 84-1LMI is a rigid adhesive with excellent mechanical and chemical resistance. It can be applied with an automatic dispenser, but also with a hand probe.

Ablestik 84-1LMI can also be used on precious metals. This die attach adhesive is used in the following industries, among others:

Semiconductor industry
Defense industry
Automotive industry

The following overview shows the main properties of Loctite Ablestik 84-1LMI adhesive:

Die-Attach adhesive
Epoxy-based
Filler type: Silver
pH: 5.5
Color: Silver
One-component adhesive
physical form: Paste
Applications: Die connection
Electrically conductive
Thermal conductivity, W/(m-K): 2.4
Low leakage
Low outgassing
Curing through heat
Curing cycle: one hour at 150 °C
Alternative curing cycle: two hours at 125 °C
Operating temperature: -40 to 150 °C
Storage temperature: -40 °C
fulfills requirements of MIL-STD-883, method 5011
Shear strength, aluminum: 1500.0 psi
Thixotropy index: 4.0
Viscosity, Brookfield CP51, @ 25.0 °C Speed 5 rpm: 30000.0 mPa.s (cP)
Volume resistance: 0.0005 Ohm cm
Packaging details: Dry ice shipping
Sales unit: piece
different sizes
Shelf life: @ -40 °C: 365 days, @ -10 °C: 183 days, @ 5 °C: 91 days
High reliability
Technical data sheet: https://datasheets.tdx.henkel.com/LOCTITE-ABLESTIK-84-1LMI-en_GL.pdf

Here you can find the Loctite Ablestik 84-1LMI adhesive in the abovo online store.

Advice on Loctite-Ablestik 84-1LMI and other die attach adhesives

For more than 15 years, the Swiss specialist wholesaler abovo has been an authorized distributor for the Henkel Adhesive Technologies division Henkel Elektronik (Henkel Electronic Material) and, since 2022, also for the Henkel Industrial division.

We will be happy to advise you if you have any questions about Loctite-Ablestik 84-1LMI. We will also be happy to help you select the right Henkel die attach adhesive for your application.

Simply contact our Henkel-Loctite experts by phone or e-mail without obligation: