AZ 1514 H Photoresist - 3.785 l








Product information "AZ 1514 H Photoresist - 3.785 l"
AZ® 1514 H
Positive Thin Resist for Wet Etching
General Information
The AZ® 1514 H Photoresist belongs to the AZ® 1500 Photoresist Series of positive thin resists (g-, h- and i-line sensitive) with optimized adhesion to all common substrate materials, the main application of which is as a resist mask for wet etching.
Product Properties
AZ® 1500 Resist Family is not optimized for very steep resist sidewalls nor for high stability against thermal softening (softening temperature approx. 100°C), but for improved adhesion to all common substrate materials. The high photoinitiator concentration of the AZ® 1500 Photoresist Series compared to thick resists allows for very fast development. AZ® 1514 H Photoresist achieves a resist film thickness of approx. 1.5 µm at 4000 rpm and has particularly good adhesion to metallic substrate materials, making it suitable as an etching mask for aluminum, chrome and other metals, for example, but also for etching non-metallic layers. It is not advisable to dilute the AZ® 1514 H Photoresist too much, as diluted, photoinitiator-rich resists tend to quickly form particles. If the resist does need to be diluted, the corresponding amounts should be used up quickly and attention should be paid to possible particle formation.
Developers
For development, we recommend either TMAH-based developers such as the ready-to-use AZ® 326 MIF or AZ® 726 MIF, the NaOH-based AZ® 351B (typically 1:4 diluted with water), and if the selectivity requirements are not too high, the KOH-based AZ® 400K (also typically 1:4 diluted with water). For very fine resist structures, a slightly higher dilution of the developer can be helpful. On alkaline-sensitive substrate materials such as aluminum, we recommend the aluminum-compatible AZ® Developer in a 2:1 to 1:1 dilution (developer : water).
Removers
If the resist structures have not been thermally cross-linked by plasma processes, ion implantation or high temperatures (> approx. 140°C), all common removers such as AZ® 100 Remover, DMSO or many other organic solvents (e.g. acetone rinsed with isopropyl alcohol) are suitable for removing the resist layer. For cross-linked resist structures, high-performance strippers such as the NMP-free TechniStrip P1316 or AZ® 920 Remover are recommended, and in the case of alkaline-sensitive substrate materials (such as aluminum), the TechniStrip MLO 07.
Thinning/ Edge Bead Removal
Even if, as described above, further dilution of AZ® 1514 H Photoresist is not recommended due to the accelerated particle formation, PGMEA = AZ® EBR Solvent is the recommended solvent. PGMEA is the solvent for AZ® 1514 H anyway and is also recommended for edge wall removal if necessary.
Further Information
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MSDS:
Safety Data Sheet AZ® 1514 H Photoresist english
Safety Data Sheet AZ® 1514 H Photoresist german
TDS:
Technical Data Sheet AZ® 1514 H Photoresist english
Application Notes:
Further Information about Photoresist Processing
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Developer
Remover