5G ceramic filter drop hole silver paste SNM 780D
SNM780D is a silver paste coating for high-frequency microwave ceramic filter electrodes. Combined with the silver drop process, it can perfectly cover the inner hole of the ceramic filter. The product has fast drying speed, good conductivity and smooth surface Etc. The product does not contain harmful substances such as lead, cadmium, hexavalent chromium and other heavy metals, and meets RoHS environmental protection standards.
Technique index:
| Product Items | Test Result |
| Solid Content | 80%±2% |
| Brookfield viscosity DV-II+pro spindle14,10rpm,25ºC | 10~20(Pa·s) |
| Fineness | ≤10μm |
| Weldability | In the melting tin furnace at 235ºC, dip it for 3 seconds, and the coverage area of tin on the silver layer is ≥90% |
| Soldering resistance | In the solder bath at 260ºC, soak for 10±1 second, no visible flaking or peeling of the silver layer. |
| The Welding Tension | ≥120N |
Method of application:
1. Coated printing Method: drops of silver process.
3. Sintering process:450-670-850-850-850-820ºC&180mm/min(Infrared tunnel furnace)
| Temperature Range(ºC). | 0~450 | 450~670 | 670~850 | 850~850 |
| Time(min) | 10 | 5 | 5 | 15 |
Note: The above sintering process is an internal detection process.
Operation Process: A coated printing→dry off(150ºC&3~5min)→Secondary coating printing→dry off(150ºC&5~7min)→sintering.
- Storage: Airtight Save, Water proof, fire proof, direct sunlight proof, Avoid high temperatures and the introduction of impurities. Under seal condition,cold storage(Under 5 ºC). Shelf life six months; Normal temperature(25ºC), shelf life three months.
Company description details:
HUNAN NATIONAL SILVER NEW MATERIAL Co. LTD, was established in 2011, and we have over 10 years experience of R&D, production and sales of electronic paste.
We formed a core management team which consists of senior personnel from company management, products R&D, production, financial decision-making and marketting development. All the team members have bachelor's degree or above.
Company certificates:
R&D Team
Telented R&D Team takes over 20% of company's employees.
We cooperation with colleges and universities while keep independent research and development, and have undertaken the national "863" project, national small and medium-sized enterprise innovation fund project and the key technology project of hunan province, formed series of electronic paste products with a complete independent intellectual property rights.
Our product Application presentation of Conductive Silver paste:
Our factory produce products of procedure details:
EXhibitions and technical exchange:
In order to better understand the local market specific needs and follow up the industrial latest technical updates, we insist on participating in the exhibitions, domestic and international technical exchanges. If you are interested in our products and project, welcome to visit our company!
SHIP TERMS
FAQ
Q1. Why choose GUOYIN NEW MATERIAL ?
We are concentrating on Electronic Ink manufacturing in China with over 10 years experience.
And with our own R&D team and manufacture workshop, we targets a variety of different applications of
electronic paste and dedicated to the clients to provide effective technical solution.
Q2. Could we provide customized products?
We have our own R&D team and technicians, so that we could provide personalized products
and service according to different customers' requirements.
Q3. What information needed before received an accurate quotation?
1) What is the substrate material you use?
2) Is it for screen printing? What is the screen material and mesh size?
3) Drying process and Firing process?
4) Any specific requirement for silver content, conductivity, solderability, adhesion, etc.?
5) If you already test some method and models, welcome to let us have your test result and the defect,
the tested brand and models. We can improve the method, and suggest you the most suitable product
based on it.
Q4. How can we guarantee the qualified products?
We have passes the ISO9001 quality management system Certificate.
We strictly carry out according to the quality system in every aspect of the production process.
Q5. Are GUOYIN NEW MATERIAL products environmental friendly?
We have passed ISO14001 Environmental management system certificate of conformity.
All our products are environmental friendly, and non-toxic element up to European RoHS environmental
regulation.
Q6. What's your MOQ?
Mostly our MOQ is 1kg, while sometimes we accept less quantity like 200g on the condition that
a sample charge is 100% paid.
Q7. How about the delivery time?
Normally, for sample order, our delivery is within 5 days.
For mass production batch, our delivery is within 7 days. But that depends on the real condition
when we get your order.
Q8. Can I get a sample?
Yes, sample is available.
If noble metal such as Ag, Pd included, and the material cost is already high, we do not offer free samples.
Q9. What payment terms is acceptable to you?
T/T, Western Union, Paypal, and L/C. And you can pay directly by Alibaba trade assurance service order.
Q10. Do you accept VISA business credit card ?
Sorry we don't accept VISA credit card,we'd like to accept T/T, Western Union or Paypal.
And you can pay directly by Alibaba trade assurance service order.