Łukasz Kosior | XTPL: Can direct-write additive printing render wire-bonding obsolete for fragile 3D packages?
07:44 - 09:20
Other snippets from this talk
Summary of the clip:
Can direct-write additive printing render wire-bonding obsolete for fragile 3D packages?
Traditional wire-bonding is rapidly reaching its physical and reliability limits in advanced 3D semiconductor packaging. As chip architectures shrink and stack vertically, the industry desperately seeks interconnect solutions that can transition over steep, multi-planar surfaces without damaging fragile substrates or introducing bulky ramp fillers.
This segment explores how ultra-precise dispensing technology can deposit continuous conductive lines directly over vertical steps ranging from 10 to 350 micrometers. By maintaining uniform line thickness and consistent electrical conductivity across sharp sidewalls, this approach eliminates the geometric and mechanical constraints of legacy wire-bonding packaging methods.
Implementing direct-write interconnections at a 10-micrometer scale opens new paradigms for system-in-package (SiP) design. It minimizes parasitic inductance, reduces the overall physical footprint of the interconnect, and allows high-density routing across three-dimensional topologies.
In this short video, you can learn:
* The mechanical limitations of wire-bonding in modern 3D semiconductor packaging.
* How direct-write printing achieves uniform sidewall conductivity over 350-micrometer steps.
* Eliminating the need for ramps and slope fillers in high-density chip-to-chip routing.
📋 **Clip Abstract** This clip analyzes how additive dispensing replaces traditional wire-bonding by printing continuous 10-micrometer lines directly over steep 3D steps. It details the mechanical and electrical benefits of maintaining uniform line thickness across vertical chip edges.
#DirectWriteDispensing, #AdditiveInterconnects, #3DStepCoverage, #SystemInPackage, #AdvancedPackaging, #AdditiveElectronics
This is a highlight of the presentation:
More Highlights from the same talk.
12:24 - 13:07
How do you solve the electrical contact challenge for sub-10-micron multi-electrode RGB microLEDs?
How do you solve the electrical contact challenge for sub-10-micron multi-electrode RGB microLEDs?
MicroLED displays demand unprecedented precision in mass transfer and electrical assembly, particularly when dealing with multi-junction RGB chips on a single die. When four electrodes must be routed on a microscopic footprint, conventional mass-solder reflow processes often fail due to bridging, alignment issues, and thermal stress.
This clip details an additive micro-bump deposition technique capable of printing precise contact structures below 10 micrometers in diameter. Featuring a high aspect ratio and excellent placement accuracy, this liquid-dispensing method establishes highly reliable contacts without damaging the active LED structures.
For display engineers, mastering this micro-deposition step is crucial for unlocking monolithic or hybrid RGB microLED integration. This technical breakthrough provides a viable path to high-yield microLED backplane interconnection for next-generation AR glasses.
In this short video, you can learn:
* The challenges of establishing electrical contacts on multi-electrode, single-chip RGB microLEDs.
* Achieving precise micro-bump deposition with contact diameters under 10 micrometers.
* How high aspect ratio additive features enable reliable microLED-to-substrate assembly.
📋 **Clip Abstract** This segment demonstrates how ultra-precise additive printing places sub-10-micrometer conductive bumps on complex RGB microLED electrodes. It highlights a critical step-forward in overcoming the yield and alignment barriers of micro-display assembly.
#MicroBumpDeposition, #Sub10MicronInterconnects, #AdditiveMicroDispensing, #RGBMicroLEDs, #ARMicrodisplays, #PrintedElectronics
17:44 - 19:31
Can ultra-high-resolution additive printing scale to meet semiconductor mass production throughput?
Can ultra-high-resolution additive printing scale to meet semiconductor mass production throughput?
While high-resolution additive printing excels in R&D labs, critics frequently point to slow translation speeds as a barrier to industrial adoption. For flat panel displays and backend IC packaging, matching the high throughput of lithographic processes remains a pivotal manufacturing hurdle.
This discussion addresses the engineering transition from R&D systems—limited to 10 millimeters per second—to multi-nozzle industrial modules. By optimizing nozzle geometries and managing material fluid dynamics, printheads can be scaled to support tens of thousands of critical interconnections per hour.
To achieve this industrial throughput, the system bypasses overall circuit printing, focusing instead on targeted, high-value interconnections. This hybrid strategy allows manufacturers to exploit the high-resolution benefits of additive printing precisely where photolithography fails or becomes economically unviable.
In this short video, you can learn:
* The throughput gap between R&D prototyping systems and industrial mass production lines.
* Strategies for scaling nozzle arrays and fluid flow rates to print tens of thousands of contacts hourly.
* How target-specific printing allows additive manufacturing to complement existing lithography lines.
📋 **Clip Abstract** This clip tackles the core challenge of scaling high-resolution printing throughput for mass display and semiconductor packaging. It outlines how multi-nozzle systems and selective routing processes satisfy industrial manufacturing speeds.
#AdditiveElectronics, #MultiNozzlePrintheads, #DirectWriteInterconnects, #HybridAdditiveManufacturing, #AdvancedPackaging, #MicroLEDDisplays