[alt-photo] Re: Apple-type or iEtch-type anyone?

[Ryan Thompson]

I think you can have custom messages etched when you buy through the  
apple store, so the laser is probably done after the fact.



On 29-Apr-10, at 7:03 PM, Jack Brubaker wrote:

> Since the back of an Ipod appears to be plated in both the etched and
> unetched areas I would guess that the base material has been  
> imprinted in
> some way and then the "chrome" surface has been added.
>
> Jack
>
>
>
> On Thu, Apr 29, 2010 at 9:09 AM, erie patsellis
> <erie at shelbyvilledesign.com>wrote:
>
>> Chrome is tough to laser engrave, and aluminum requires a  
>> "catalyst" brush
>> on coating. If you google "laser engraving" there is a ton of info
>> available.
>>
>> erie
>>
>> sam wang wrote:
>>
>>> Jacek,
>>>
>>> You are probably right. But has anyone used it to make pictures on  
>>> chrome
>>> surfaces?
>>>
>>> Sam
>>>
>>>
>>> On Wed, Apr 28, 2010 at 1:43 PM, Jacek Gonsalves  
>>> <jacek at jagnight.com>
>>> wrote:
>>>
>>>
>>>
>>>> Hi Sam,
>>>> I always thought this was done with a laser to etch the actual  
>>>> image on
>>>> the
>>>> back?
>>>> Cheers
>>>> Jacek
>>>>
>>>>
>>>> Quoting sam wang <samwang864 at gmail.com>:
>>>>
>>>> The way iPods and iPhones are etched in the back - has anyone  
>>>> used it
>>>> for
>>>>
>>>>
>>>>> printing images? Apparently it's an etching process, creating a  
>>>>> matte
>>>>> white
>>>>> image on highly polished chrome surface. When viewed, the effect  
>>>>> is
>>>>> almost
>>>>> exactly like that of the daguerreotype - image can appear  
>>>>> positive or
>>>>> negative depending on the reflection.
>>>>>
>>>>> It's probably not something one can do in a home darkroom/ 
>>>>> studio, but
>>>>> I'm
>>>>> curious about what they use for resist that gives details so  
>>>>> fine. The
>>>>> result surely is more archival than anything else we make, as  
>>>>> long as
>>>>> it's
>>>>> not scratched.
>>>>>
>>>>> And, what would we call the process if it is used for image  
>>>>> printing?
>>>>>
>>>>> Sam Wang
>>>>> _______________________________________________
>>>>> Alt-photo-process-list | http://altphotolist.org/listinfo
>>>>>
>>>>>
>>>>>
>>>>>
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>>>
>>>
>>>
>>>
>>>
>>
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