Product Overview
Titanium Aluminum Silicon Sputtering Target (Ti/Al/Si) is an alloy sputtering target used to deposit composition-controlled alloy films. Relative to a pure elemental target, the alloying constituents are introduced to tune electrical, magnetic, optical, mechanical, or adhesion-related film properties. For this reason, alloy ratio, homogeneity, purity basis, and the intended film composition should be defined clearly in the procurement specification.
Material and Deposition Characteristics
Many alloy targets are electrically conductive and can be compatible with DC or pulsed-DC magnetron sputtering, subject to the actual alloy composition and equipment capability. The target composition is not always reproduced exactly in the deposited film because preferential sputtering, re-sputtering, substrate heating, and process gas conditions can shift the final ratio. For composition-sensitive work, deposited-film analysis should be part of process qualification.
Technical Data
| Parameter | Typical Value / Range | Importance |
|---|---|---|
| Purity | 99.9% – 99.99% | Higher purity reduces contamination in deposited films |
| Composition | Ti-Al-Si alloy (custom ratios) | Determines mechanical and electrical properties |
| Density | ≥ 99% theoretical density | Ensures stable sputtering performance |
| Diameter | 25 – 300 mm (custom) | Compatible with various sputtering systems |
| Thickness | 3 – 6 mm | Influences sputtering rate and target lifetime |
| Bonding | Copper / Titanium backing plate | Improves heat transfer and mechanical stability |
| Material | Key Advantage | Typical Application |
|---|---|---|
| Titanium Aluminum Silicon (Ti/Al/Si) | Excellent thermal stability and oxidation resistance | Semiconductor and protective coatings |
| Titanium Aluminum (Ti/Al) | Strong hardness and oxidation resistance | Hard coatings and wear protection |
| Titanium Silicon (Ti/Si) | Improved diffusion barrier properties | Semiconductor barrier layers |
| Titanium (Ti) | Excellent adhesion and corrosion resistance | Adhesion layers and protective coatings |
| Question | Answer |
|---|---|
| Can Ti/Al/Si sputtering targets be customized? | Yes, the composition ratio, diameter, thickness, and bonding options can be customized to match different sputtering systems. |
| What deposition methods are suitable for this target? | Ti/Al/Si targets are typically used in DC or RF magnetron sputtering systems. |
| Why add silicon to titanium aluminum alloys? | Silicon improves grain refinement, enhances thermal stability, and increases oxidation resistance in deposited coatings. |
| What substrates are compatible with Ti/Al/Si coatings? | Common substrates include silicon wafers, glass, ceramics, and various metals. |
| Are bonded targets available? | Yes, targets can be supplied bonded to copper or titanium backing plates for improved thermal management. |
Typical Thin-Film Applications
- Titanium Aluminum Silicon alloy films where composition control is important to electrical, mechanical, magnetic, or optical performance
- Multilayer stacks, adhesion/barrier layers, conductive films, or functional coatings depending on the alloy system
- Research and production programs that require customized alloy ratios and repeatable sputtering behavior
Target Configuration and Ordering Considerations
For quotation and manufacturability review, provide target size, thickness, purity or alloy composition, quantity, and the sputtering gun or cathode model if known. If a bonded assembly is required, include backing-plate material, bonding preference, and any dimensional tolerances, surface-finish needs, or inspection-document requirements. TFM can also review customer drawings or old-target samples for replacement builds.
Frequently Asked Questions
Can the composition of a Titanium Aluminum Silicon sputtering target be customized?
Yes. For alloy targets, the required ratio should be specified clearly in wt% or at%. TFM can review custom compositions together with purity, dimensions, and manufacturability.
Will an alloy target always produce a film with the same composition?
Not necessarily. Preferential sputtering, substrate heating, process gas, and re-sputtering effects can shift the deposited composition relative to the nominal target chemistry. Film analysis should be used when the composition is critical.
Is a Titanium Aluminum Silicon alloy target compatible with DC magnetron sputtering?
Many metallic alloy targets are electrically conductive and can be compatible with DC or pulsed-DC sputtering, but the final choice depends on the actual alloy system and equipment.
Why is alloy homogeneity important in a Titanium Aluminum Silicon target?
A uniform alloy distribution helps support stable erosion and reduces local composition variation across the target, which in turn helps improve run-to-run consistency.
Can a Titanium Aluminum Silicon target be supplied bonded?
Yes. Where the cathode or thermal load requires it, TFM can supply bonded assemblies. Backing-plate material, target thickness, bonding method, and operating power should be reviewed together.
What should I include in an RFQ for Titanium Aluminum Silicon?
Specify the alloy composition, purity basis, dimensions, quantity, backing requirement, cathode model or drawing, and any tolerance, inspection, or documentation requirements.
Reviews
There are no reviews yet.