太阳能电池制造商正在转向Heraeus.for PV pastesin their quest for increasing efficiencies and superior quality. Heraeus has established itself as a leading PV paste developer, as well as the highest quality supplier, through delivering the best performance to cost ratio in the market.
SOL9410S和SOL9411.是下一代front-side silver metallization pastes这是在Heraeus的令人印象深刻的追踪记录上。针对高吞吐量和高效率处理优化，SOL9410S和SOL9411在各方面的所有方面都配制成超出公司的基准浆料，SOL9235H和SOL9273MA的质量。独特的化学化学SOL9410S和SOL9411.improve the etch of the SiNX:H anti-reflective coating, thus, significantly improving contact while preserving the junction quality on various emitters and wafers.SOL9410S和SOL9411.are optimized for a range of emitter depths and concentrations.
重点福利
The key benefits ofSOL 9410S和SOL9411are:
- High efficiency
- Industry leading performance
- Excellent aspect ratio
- 各种发射器和晶圆CD的优异联系质量免费
- Excellent solderability
- Designed for high sheet resistance emitter applications
典型特性
Viscosity
HBT锥形和板粘度计（布鲁克菲尔德）
- 180 – 240kcps
- CPE-51 spindle, @ 1 RPM, 25°C
Cone and Plate Viscometer (Haake)
- 16 - 23PAS.
- Plate/cone (Ø = 20mm, angle = 0.5°),@ 100s-1, 25°C
Solids
89.5±1％
Solderability
- 5 second dip @ 230°C
- SN62，SAC305
- 使用低固体，无干净的助焊剂
晶圆类型
Thewafertypes include mono and multicrystalline
高纵横比
SOL9410S和SOL9411.制定优化腐蚀率呢and make good electrical contact on lightly doped shallow emitter silicon wafers while minimizing damage to Si surfaces during firing to maintain the junction quality and low saturation current density. Also, the composition ofSOL9410S和SOL9411.特别设计用于更高的制造产量和高纵横比栅格，以最小化阴影，同时增加线路电导率。
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Figure 1.SOL9411 leads to excellent printing performance as confirmed by Fraunhofer ISE
高纸发射器
独立研究主要研发机构设计irm thatSOL9410S和SOL9411.在高薄层电阻硅晶片上促进金属沉淀物（接触形成机制）。
Recommended Processing Guidelines
表1中提供了印刷指南。
Table 1。印刷指南
| 设计手指线开口 |
Screen Parameter Recommendations |
| ≥ 80µm |
325目，23μm不锈钢线，15 - 23μmeom
280目，25μm不锈钢线，15 - 23μmeom |
| 50μm - 80μm |
290 mesh, 20µm stainless steel wire, 15 – 23µm EOM |
| ≤ 50µm, seed layer |
400 mesh, 18µm stainless steel wire, 5 – 10µm EOM |
| 刮刀硬度计 |
70A Shore |
| Squeegee Speed |
≥180mm/ sec |
| Squeegee Pressure |
50 - 90n. |
| Off-contact Distance |
1.1 – 1.7mm |
| Wire Bias |
22.5 - 30° |
Other guidelines are:
- 它通常在一个中干燥IR dryer设定点约为250°C，在不到20秒钟内。
- 烧制厚度≥20μm（烧制）
- Line Resolution (finger width) is ≥ 65µm
- 稀释剂是RV-354.
- Store in a dry location at 5°C – 25°C.
Firing profileis shown in Figure 2.
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Figure 2.Firing Profile
熔炉型材如表2所示。
Table 2。熔炉型材
| Furnace Profile |
Time Above (sec) |
| 温度 |
500°C |
600℃ |
700℃ |
725°C |
| 下限 |
7.0 |
3.5 |
2.0 |
1.5 |
| Upper Limit(s) |
22.0 |
10.0 |
5.0 |
4.0 |
*Actual zone settings and belt speed vary with furnace.
关于Heraeus Photovoltaics.
TheHeraeus.光伏Business Unit is an industry leading developer and manufacturer of metallization pastes for the photovoltaic industry.
Heraeus.has been a manufacturer of thick film pastes for over 40 years. Since 2008, we have been an innovative supplier to the photovoltaics industry, working with c-Si cell manufacturers to improve their cells’ efficiency for both conventional and advanced cell designs.
Heraeus.已开发出已集成在市售技术的银金属化浆料，如MWT，双打印，双印刷，选择性发射极，背面钝化和N型电池。
Heraeus.还扩大了我们的能力，并为薄膜和其他C-Si技术开发了较低的温度处理浆料。
Heraeus.“目标是通过我们的创新贴版设计技术来提高客户的电池效率，并通过我们的创新粘贴设计技术降低他们的电池的成本。
This information has been sourced, reviewed and adapted from materials provided by Heraeus Photovoltaics.
有关此来源的更多信息，请访问Heraeus.光伏。