Thanks Harold. I would not consider home use for cyanide. The cyanide stripping shop representative told me that their process only recovers gold, and no other metals. I did not think that was true so I posted the question here. Now that I know the score I will be careful to try to find a way to get all of the metals. At 85 cents per pound for processing plus keeping the other metals besides gold it seems too good of a deal for the stripping company. They also return only 96% of the gold. Someone needs to start a company here (in Ontario) to process boards.
Some really nice boards.
- Thread starter glondor
- Start date
Help Support Gold Refining Forum:
A question for any one who knows IC's . As i have been clearing off these gold plated boards I have found 3 items on each that seem to be very very high in gold content. Can any one shed light on these pieces? Google did not help me.
sawtek 855285020409
epcos sur 3 1 b3866
I will post some other interesting pieces tomorrow.
Any info much appreciated.
sawtek 855285020409
epcos sur 3 1 b3866
I will post some other interesting pieces tomorrow.
Any info much appreciated.
They are oscillator ic's. Sometimes referred to as crystals as they are built to vibrate at very precise frequencies.
The plating on these types of boards is very thin.
The gold on the microwave transistors (white ceramic type) and plug/socket connectors will yield better than the plating on the boards.
I have posted several threads on these types of boards. Please search my posts for communication or telcom for more information and processing instructions.
Steve
The plating on these types of boards is very thin.
The gold on the microwave transistors (white ceramic type) and plug/socket connectors will yield better than the plating on the boards.
I have posted several threads on these types of boards. Please search my posts for communication or telcom for more information and processing instructions.
Steve
macfixer01
Well-known member
They're a little different design than ordinary crystals or oscillators and are known as SAW Filters. You can see some other examples at the top of the page here:
http://global.kyocera.com/prdct/electro/product/filter/saw.html
macfixer01
http://global.kyocera.com/prdct/electro/product/filter/saw.html
macfixer01
trashmaster
Well-known member
Thank you for the link in the above post, lots of great info in the Capisitor section on mono caps and others..
lots of mono caps, on those boards. nice pics.
lots of mono caps, on those boards. nice pics.
Barren Realms 007
In Remembrance
Nice little pile you have there.
I know I know. Little pile for you Frank, But it is a big pile for me! And I am going to have fun with it! My new stuff for the gold cell arrived today from Steve, I will be burnin' the sulphuric tomorrow!
I also have 5 pounds of monolithic capacitors and several pounds of sweeps to do. I am excited.
I also have 5 pounds of monolithic capacitors and several pounds of sweeps to do. I am excited.
Barren Realms 007
In Remembrance
It wasn't that long ago that would be a big pile for me as well. I understand the excitement. Have fun and be safe.
trashmaster
Well-known member
Are those NEC boards from 1988 or around that year maby 1991 ????
I mean the boards zack posted;;
I mean the boards zack posted;;
Paul,
I really do not know. My only information on these were that they were pulled out of some really old equipment that was used to communications with satellites. He had some personal pics with them, and they were big bulky machines. I have not had any time to inspect them so I honestly couldn't give you a straight answer.
Sorry
Zack Morris
E-scrapPlus, Inc.
I really do not know. My only information on these were that they were pulled out of some really old equipment that was used to communications with satellites. He had some personal pics with them, and they were big bulky machines. I have not had any time to inspect them so I honestly couldn't give you a straight answer.
Sorry
Zack Morris
E-scrapPlus, Inc.
trashmaster
Well-known member
Zack
I was looking at the boards and the pin connectors and the release handles on the boards and they look like what i sold you last year and what i now have alot ofnow..;;;.
I have several early boards from CELL PHONE TOWERS they all have fingers and not pins.... The plateing on the fingers you can peel off with a pocket knife;;;;
I will try to learn to post pics this weekend so bear with me ;; I will post them in the gallery for all to see...
paul
I was looking at the boards and the pin connectors and the release handles on the boards and they look like what i sold you last year and what i now have alot ofnow..;;;.
I have several early boards from CELL PHONE TOWERS they all have fingers and not pins.... The plateing on the fingers you can peel off with a pocket knife;;;;
I will try to learn to post pics this weekend so bear with me ;; I will post them in the gallery for all to see...
paul
